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Washington counties

Fishing in Grant County, Washington

County seat: Ephrata. Population 99,123.

  • 54lake pages
  • 63launches
  • 3river pages
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Photo of Banks Lake: brewbooks, CC BY-SA 2.0

Fishing times todaySolunar periods, sunrise and moonrise for Grant County, today and the next 7 days.Best fishing times today
Grant County, Washington

Lakes, rivers and ramps of Grant County in one read

Ephrata houses the Grant County courthouse, serving 99,123 people as of the 2020 count. Trout planted here show up in the WDFW report as WDFW Region 2 releases. Columbia River straddles the line with Oregon or Idaho.

The paged lakes number 54, spread over 166,707 acres, with Lake Roosevelt on top. Among the county streams, WDFW shows anadromous runs in Columbia River. Launching comes down to 63 boat launches, run by 49 WDFW, 10 State Parks and 4 other agencies. From shore, the WDFW facilities layer lists 199 shore or access sites here, 21 of them piers or platforms.

54lake pages
63boat launches
3river pages
2shops listed

Census 2020 population; WDFW Fish Washington lake layers, WDFW facilities and State Parks launch layers (WDFW GIS); WDFW marine areas; retrieved October 31, 2026.

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Map

Lake points and ramps of Grant County, mapped together

WDFW and State Parks launch layers, WDFW facilities, WDFW lake points, NHD river midpoints and WDFW marine area points. Checked November 2026.

Lakes

Still water WDFW maps within Grant County

LakeAcresLaunchesWDFW programFish WDFW maps
Lake Roosevelt83,9880Mixed species – Trout emphasisrainbow trout, brown trout, brook trout
Banks Lake26,88812Mixed species – Warmwater emphasisrainbow trout, kokanee, largemouth bass
Wanapum Lake14,3625NHD-mapped lake
Potholes Reservoir14,28211Mixed species – Warmwater emphasisrainbow trout, largemouth bass, smallmouth bass
Rufus Woods Lake8,0222Mixed species – Trout emphasisrainbow trout, brown trout, kokanee
Moses Lake6,7282Mixed species – Warmwater emphasisrainbow trout, largemouth bass, smallmouth bass
Priest Rapids Lake6,3871NHD-mapped lake
Lake Lenore1,4062Trout emphasis
Billy Clapp Lake9741Mixed species – Warmwater emphasisrainbow trout, kokanee, largemouth bass
Blue Lake (Grant County)5341Trout emphasisrainbow trout
Winchester Wasteway4063NHD-mapped lake
Park Lake3383Trout emphasisrainbow trout
Alkali Lake2991Mixed species – Warmwater emphasis
Evergreen Lake2484Warmwater emphasislargemouth bass, smallmouth bass, walleye
Warden Lake2001Trout emphasisrainbow trout, tiger trout
Red Rock Lake1711NHD-mapped lake
Soda Lake1540Mixed species – Warmwater emphasisrainbow trout, largemouth bass, smallmouth bass
Upper Goose Lake1301Mixed species – Trout emphasisrainbow trout, largemouth bass, walleye
Deep Lake (Grant County)1010Trout emphasisrainbow trout, kokanee
Lenice Lake931Trout emphasisrainbow trout
Dry Falls Lake880Trout emphasisrainbow trout, brown trout, tiger trout
Long Lake (Grant County)741Mixed species – Warmwater emphasisrainbow trout, largemouth bass, smallmouth bass
Corral Lake711Trout emphasisrainbow trout
Burke Lake693Trout emphasisrainbow trout
Canal Lake690Trout emphasisrainbow trout
Lower Goose Lake651Warmwater emphasislargemouth bass, walleye, yellow perch
Quincy Lake541Trout emphasisrainbow trout
Stan Coffin Lake531Warmwater emphasislargemouth bass, bluegill
Upper Hampton Lake520Trout emphasisrainbow trout
Dusty Lake410Trout emphasisrainbow trout, brown trout, tiger trout
Blythe Lake370Trout emphasisrainbow trout
Beda Lake331Trout emphasisrainbow trout, pumpkinseed
Windmill Lake301Trout emphasisrainbow trout
Desert Lake Chain290Trout emphasisrainbow trout
North Teal Lake220Trout emphasisrainbow trout
Lower Hampton Lake180Trout emphasisrainbow trout
Heart Lake (Grant County)180Trout emphasisrainbow trout
Perch Lake160Trout emphasisrainbow trout
Martha Lake161Trout emphasisrainbow trout
South Teal Lake150Trout emphasisrainbow trout
North Windmill Lake140Trout emphasisrainbow trout
Homestead Lake120Trout emphasisrainbow trout, brown trout, tiger trout
Chukar Lake120Trout emphasisrainbow trout
Janet Lake100Trout emphasisrainbow trout
Rainbow Lake (Grant County)100Trout emphasisrainbow trout, brown trout, brook trout
Pillar Lake90Trout emphasisrainbow trout
Ancient Lake South90Trout emphasisrainbow trout, largemouth bass
June Lake80Trout emphasisrainbow trout
Cattail Lake80Trout emphasisrainbow trout
Upper Caliche Lake71Trout emphasisrainbow trout
Widgeon Lake70Trout emphasisrainbow trout
Gadwall Lake60Trout emphasisrainbow trout
East Sage Lake60Trout emphasisrainbow trout
West Sage Lake50Trout emphasisrainbow trout

WDFW Fish Washington lowland and high lake layers (surface acres as published, management emphasis, mapped species); WDFW publishes no lake depths in these layers. Retrieved October 31, 2026.

Species

What the WDFW layers say swims near Grant County

Around Ephrata, to 50 miles, rainbow trout turns up on more water pages than the rest.

Rainbow trout58 waters
Largemouth bass25 waters
Yellow perch19 waters
Bluegill18 waters
Black crappie15 waters
Pumpkinseed12 waters
Walleye12 waters
Smallmouth bass9 waters
Brown bullhead7 waters
Brown trout7 waters

Species mapped in the WDFW Fish Washington layers, WDFW state records and the 2026 WDFW trout plants, counted per water page within 50 miles; not a survey.

More water

Lakes in Grant County that live on this list only

WDFW and NHD maps hold 17 more named lakes in Grant County, shown with acreage and program.

WaterAcresWDFW programNearest town
Lois Lake4Trout emphasisWarden
Poacher Lake4Trout emphasisWarden
Shoveler Lake3Trout emphasisWarden
Snipe Lake3Trout emphasisWarden
Sago Lake3Trout emphasisWarden
Northup Lake2Trout emphasisCoulee Dam
Falcon – West Lake2Trout emphasisMoses Lake
Cliff Lake2Trout emphasisQuincy
Hourglass Lake2Trout emphasisWarden
Lemna Lake2Trout emphasisWarden
Crystal Lake1Trout emphasisQuincy
Heron – Lower Lake1Trout emphasisMoses Lake
Heron – Upper Lake1Trout emphasisMoses Lake
Falcon – East Lake1Trout emphasisMoses Lake
Cup Lake1Trout emphasisQuincy
Coot Lake1Trout emphasisOthello
Columbia Basin Hatchery Cr0Trout emphasisMoses Lake North

WDFW Fish Washington lowland and high lake layers and USGS NHD lake outlines, retrieved October 31, 2026.

Rivers

Moving water with pages in Grant County

  • Columbia RiverSWIFD lists chinook, chum and coho, 8 WDFW shore or access sites, 6 USGS gauges, 728 mi in Washington
  • Crab Creek3 WDFW shore or access sites, 3 USGS gauges, 149 mi in Washington
  • Lower Crab Creek1 WDFW shore or access site, 1 USGS gauge, 49 mi in Washington

Lesser streams of Grant County (5)

  • Frenchman Hills Wasteway2 mapped launches, 3 WDFW shore or access sites, 39 mi in Washington
  • Northrup Creek1 WDFW shore or access site, 7 mi in Washington
  • Potholes Canal2 WDFW shore or access sites, 51 mi in Washington
  • Rocky Ford Creek5 WDFW shore or access sites, 10 mi in Washington
  • Winchester Wasteway2 mapped launches, 36 mi in Washington

Streamflow posted by Grant County gauges

USGS gaugeLatest readingTime (ET)
Columbia River Below Priest Rapids Dam, Wa61,700 cfs, 9.41 ft gage heightNov 12 7:15 pm
Crab Creek Near Beverly, Wa157 cfs, 2.85 ft gage heightNov 12 7:15 pm
Crab Creek Near Moses Lake, Wa47 cfs, 2.96 ft gage heightNov 12 6:45 pm
Crab Creek Near Stratford, Wa0 cfs, 15.27 ft gage heightNov 12 7:00 pm

US Geological Survey provisional data, retrieved Nov 12, 2026 7:33 pm ET. Provisional readings can be revised.

USGS NHD flowlines and Washington lengths, WDFW SWIFD salmon and steelhead distribution, WDFW and State Parks launches, USGS gauges; retrieved October 31, 2026.

Stocking

WDFW hatchery trucks that stopped in Grant County

The 2026 plant log for Grant County reads 14 releases and 102,691 fish, covering 8 waters.

  • Park LakeRainbow, 35,000 fish at 2.5 per pound, September 28, 2026, Columbia Basin Hatchery
  • Blue Lake (Grant County)Rainbow, 53,000 fish at 2.5 per pound, September 28, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 900 fish at 2.5 per pound, September 2, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 750 fish at 2.5 per pound, June 23, 2026, Columbia Basin Hatchery
  • Potholes ReservoirRainbow, 250 fish at 2.5 per pound, May 29, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 500 fish at 2.5 per pound, May 29, 2026, Columbia Basin Hatchery
  • Moses LakeRainbow, 1,200 fish at 2.5 per pound, May 1, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 1,421 fish at 2.5 per pound, May 1, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 895 fish at 2.5 per pound, April 21, 2026, Columbia Basin Hatchery
  • Banks LakeRainbow, 1,200 fish at 2.5 per pound, April 17, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 1,000 fish at 2.5 per pound, April 8, 2026, Columbia Basin Hatchery
  • Hatchery CreekRainbow, 1,000 fish at 2.5 per pound, March 31, 2026, Columbia Basin Hatchery

WDFW Trout Plants report (rows January 2 to October 27, 2026), read October 31, 2026; newest plants first.

Access

Ramps, piers and access points of Grant County

  • Alkali Lake boat launchAlkali Lake, WDFW, 1 ramp, unimproved surface surface, 3 hand launches, Discover Pass
  • Billy Clapp Lake boat launchBilly Clapp Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Blue Lake boat launch (south)Blue Lake, WDFW, 1 ramp, concrete surface, 1 hand launch, Discover Pass
  • Blythe boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, concrete surface, Discover Pass
  • Buckshot boat launch on Priest Rapids LakePriest Rapids Lake, Grant County PUD, 1 ramp, concrete surface
  • Burke Lake (east) boat launchBurke Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Burke Lake (south) boat launchBurke Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Burke Lake (west) boat launchBurke Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Caliche Lakes boat launch on Upper Caliche LakeUpper Caliche Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Corral Lake boat launchCorral Lake, WDFW, 1 ramp, gravel surface, Discover Pass
  • Crab Creek boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Dodson & Winchester boat launch on Winchester WastewayWinchester Wasteway, WDFW, 1 ramp, concrete surface, Discover Pass
  • Evergreen Reservoir (east) boat launchEvergreen Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Evergreen Reservoir (north) boat launchEvergreen Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Evergreen Reservoir (west) boat launchEvergreen Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Evergreen Reservoir SW boat launchEvergreen Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Frenchman Hills Lake boat launchlaunch site, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Gage Station boat launch on Lake LenoreLake Lenore, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Glen Williams boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, concrete surface, Discover Pass
  • Lind Coulee Bridge boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, concrete surface, Discover Pass
  • Lind Coulee Island boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Lind Coulee Point boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Long Lake boat launch (east)Long Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Lower Goose Lake boat launchLower Goose Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Million Dollar Mile (north) boat launch on Banks LakeBanks Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Million Dollar Mile (south) boat launch on Banks LakeBanks Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Moses Lake boat launchMoses Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Osborn Bay Lake boat launch on Banks LakeBanks Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Potholes, boat launchPotholes Reservoir, State Parks, Discover Pass
  • Quincy Lake boat launchQuincy Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Sam Israel boat launch on Lake LenoreLake Lenore, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Sampson's Pit boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Stan Coffin Lake boat launchStan Coffin Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Steamboat Rock -North Banks Lake launchBanks Lake, State Parks, Discover Pass
  • Steamboat Rock -Northrup launch on Banks LakeBanks Lake, State Parks, Discover Pass
  • Steamboat Rock -cove boat launch on Banks LakeBanks Lake, State Parks, Discover Pass
  • Steamboat Rock launch on Banks LakeBanks Lake, State Parks, Discover Pass
  • Sun Lakes launch on Park LakePark Lake, State Parks, Discover Pass
  • Sunland Estates boat launch on Wanapum LakeWanapum Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Upper Goose Lake boat launchUpper Goose Lake, WDFW, 1 ramp, concrete surface, Discover Pass
  • Vernita Bridge boat launchlaunch site, WDFW, 2 ramps, unimproved surface surface, Discover Pass
  • Warden Lake boat launchWarden Lake, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Winchester Lake boat launch on Winchester Wasteway (north)Winchester Wasteway, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Winchester Lake boat launch on Winchester Wasteway (south)Winchester Wasteway, WDFW, 1 ramp, unimproved surface surface, Discover Pass
  • Windmill-Canal-Heart Lakes boat launchWindmill Lake, WDFW, 3 ramps, concrete surface, 1 hand launch, Discover Pass
  • 239 Drain boat launchlaunch site, WDFW, 1 hand launch, Discover Pass
  • Beda Lake boat launchBeda Lake, WDFW, 1 hand launch, Discover Pass
  • Fedesco-Harris boat launch on Winchester WastewayWinchester Wasteway, WDFW, 1 hand launch, Discover Pass
  • Frenchman Hills Wasteway boat launchFrenchman Hills Wasteway, WDFW, 1 hand launch, Discover Pass
  • Lenice Lake boat launchLenice Lake, WDFW, 3 hand launches, Discover Pass
  • Lind Coulee East boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 2 hand launches, Discover Pass
  • Martha Lake boat launchMartha Lake, WDFW, 1 hand launch, Discover Pass
  • Medicare Beach boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 hand launch, Discover Pass
  • Old Vantage Highway boat launch on Wanapum LakeWanapum Lake, agency not given, concrete surface
  • Peninsula Park boat launch on Moses LakeMoses Lake, agency not given, concrete surface
  • Red Rock Lake boat launchRed Rock Lake, agency not given, unimproved surface
  • Road C & Frenchman boat launch on Frenchman Hills WastewayFrenchman Hills Wasteway, WDFW, 3 hand launches, Discover Pass
  • Steamboat Rock -Northrup launch on Banks LakeBanks Lake, State Parks, Discover Pass
  • Steamboat Rock launch on Banks LakeBanks Lake, State Parks, Discover Pass
  • Sun Lakes launch on Park LakePark Lake, State Parks, Discover Pass
  • Sun Lakes launch on Park LakePark Lake, State Parks, Discover Pass
  • Warden Outfall boat launch on Potholes ReservoirPotholes Reservoir, WDFW, 1 hand launch, Discover Pass
  • Winchester Lake boat launch on Winchester Wasteway (south), Grant CountyWinchester Wasteway, WDFW, 1 hand launch, Discover Pass

The pass flag is set at 59 launches: hang a Discover Pass from the mirror there.

Fishing on foot in Grant County (199)

WDFW Facilities layer (boat launches, piers, shore sites) and the State Parks boat launch layer; retrieved October 31, 2026. Lanes and per-launch fees are not published in these layers.

Regulations

The 2026-27 pamphlet rows covering Grant County

Start with the statewide table for Grant County; any Special Rule listed after it overrides those rows. WDFW sells the 2026-27 Freshwater license for $39.95 to Washington residents and $115.85 to visitors 16 and up. Keep a catch record card on you for salmon, steelhead, sturgeon or halibut; WDFW issues it with the license.

SpeciesLimitSeason
Largemouth BassNo min. size in lakes, ponds, and reservoirs. Only largemouth bass less than 12" may be retained, except 1 over 17" may be retained. Daily limit 5.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Largemouth BassNo size restriction/daily limit in rivers, streams, and beaver ponds.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Smallmouth BassNo min. size in lakes, ponds, and reservoirs. Only 1 smallmouth bass over 14" may be retained. Daily limit 10.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Smallmouth BassNo size restriction/daily limit in rivers, streams, and beaver ponds.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
WalleyeMin. size 12" in lakes, ponds, and reservoirs. Daily limit 8. Only 1 over 22" may be retained. May be caught, retained, and released alive from a livewell until daily limit is in possession.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
WalleyeNo size restriction/daily limit in rivers, streams, and beaver ponds.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Channel CatfishNo min. size in lakes, ponds, and reservoirs. Daily limit 5.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Channel CatfishNo min. size/daily limit in rivers, streams, and beaver ponds.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Burbot (Freshwater Ling)No min. size. Daily limit 5.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31 (p.23 general rule for
Crappie, Northern Pikeminnow, Peamouth Chub, Perch, Suckers, Sunfish, No min. size. No daily limit.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31
Grass CarpClosed unless otherwise listed in Special Rules.Closed
KokaneeNo min. size. Daily limit 10. When fishing with bait, all kokanee that are lawful to possess and are equal to or greater than the minimum size are counted as part of the daily limit whether kept or released.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31 (p.23 general rule for
Tiger Muskellunge (Tiger Muskie)Min. size 50". Daily limit 1.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31 (p.23 general rule for
WhitefishNo min. size. Daily limit 15.Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31 (p.23 general rule for
SteelheadRelease all wild steelhead. Min. size 20". Daily limit 2. Open during salmon or game fish seasons unless as otherwise listed.Open during salmon or game fish seasons unless as otherwise listed
Brown Trout, Cutthroat Trout, Rainbow Trout, Golden Trout, Tiger TroutIn rivers, streams, and beaver ponds: Min. size 8". Daily limit 2.Sat. before Memorial Day-Oct. 31 (statewide river season, p.23)

Special Rules naming Grant County water (792)

Water and reachSpeciesRule
Columbia Basin Hatchery Creek: from the hatchery outflow to confluence with Rocky Coulee WastewayAll speciesOpen for juvenile anglers, senior anglers and anglers with a disability who possess a designated harvester companion card only.
Columbia Basin Hatchery Creek: from the hatchery outflow to confluence with Rocky Coulee WastewayAll game fishStatewide min. size/daily limit. (Apr. 1-Sept. 30)
Crab Creek: from mouth to Morgan Lake Rd. in Sec. 36All game fishStatewide min. size/daily limit. (Sat. before Memorial Day-Sept. 30)
Crab Creek: from Morgan Lake Rd. in Sec. 36 to O’Sullivan Dam (including Marsh Units I and II impoundments)All speciesCLOSED WATERS.
Crab Creek: from the confluence of the Moses Lake outlets to Sand Dunes Rd. including tributariesBluegillNo min. size. Combined limit of bluegill and crappie is 25. (Year-round)
Crab Creek: from the confluence of the Moses Lake outlets to Sand Dunes Rd. including tributariesCrappieMin. size 9”. Combined limit of bluegill and crappie is 25. (Year-round)
Crab Creek: from the confluence of the Moses Lake outlets to Sand Dunes Rd. including tributariesYellow perchNo min. size. Daily limit 25. (Year-round)
Crab Creek: from the confluence of the Moses Lake outlets to Sand Dunes Rd. including tributariesOther game fishStatewide min. size/daily limit for lakes, ponds, and reservoirs apply. (Year-round)
Crab Creek: from the fountain buoy and shoreline markers of 150’ down stream of the Alder Street fill to Grant County Rd. 7 NEBluegillMin. size 8”. Daily limit 5. (Year-round)
Crab Creek: from the fountain buoy and shoreline markers of 150’ down stream of the Alder Street fill to Grant County Rd. 7 NECrappieMin. size 9”. Daily limit 10. (Year-round)
Crab Creek: from the fountain buoy and shoreline markers of 150’ down stream of the Alder Street fill to Grant County Rd. 7 NEYellow perchNo min. size. Daily limit 25. (Year-round)
Crab Creek: from the fountain buoy and shoreline markers of 150’ down stream of the Alder Street fill to Grant County Rd. 7 NEOther game fishStatewide min. size/daily limit for lakes, ponds, and reservoirs apply. (Year-round)
Crab Creek: above Grant County Rd. 7 and all tributaries except Goose Creek in the city of WilburAll game fishStatewide min. size/daily limit. (Year-round)
Delaney Spring CreekAll game fishStatewide min. size/daily limit. Except: Eastern brook trout count as part of trout daily limit. (Sat. before Memorial Day-Oct. 31)
Frenchman Hills Wasteways And DrainsAll game fishStatewide min. size/daily limit. Except: Eastern brook trout count as part of trout daily limit. (Year-round)
Grant And Adams Counties: all inlets and outlets of lakes, ponds, and reservoirs and all irrigation canals, wasteways, and drains in Grant and Adams counties exAll game fishStatewide rules for lakes, ponds, and reservoirs apply for all species. (Year-round)
Hays CreekAll game fishStatewide min. size/daily limit. (4th Sat. in Apr.-Sept. 30)
Nunnally Lake Outlet: Outlet stream of Nunnally LakeAll speciesCLOSED WATERS.
Red Rock CreekAll game fishStatewide min. size/daily limit. (Sat. before Memorial Day-Sept. 30)
Rocky Ford Creek And PondsAll speciesBank fishing only. Fly fishing only. No wading.

All Special Rules by water

Limits and seasons as printed in the 2026-2027 Washington Sport Fishing Rules (WDFW pamphlet, in effect July 1, 2026 to June 30, 2027), PDF page 27 (pamphlet PDF; eRegulations statewide freshwater page), read October 31, 2026. Special Rules as printed in the 2026-2027 Washington Sport Fishing Rules (WDFW pamphlet, in effect July 1, 2026 to June 30, 2027), pamphlet page 50 (pamphlet PDF), read on eRegulations October 31, 2026.

Records

Grant County entries on the WDFW record list

SpeciesWeightAnglerWaterDate
Common Carp49.50 lbsDuane FisherMoses LakeJune 17, 2006
Yellow Bullhead2.38 lbsMonica BeckleyPotholes ReservoirSept. 8, 2013
Kokanee (non-anadromous Sockeye Salmon)6.25 lbsClarence F. RiefLake RooseveltJune 26, 2003
Lake Whitefish7.86 lbsGavin BoggsLake RooseveltFeb. 11, 2023
Smallmouth Bass8.75 lbsRay WonacottColumbia RiverApril 23, 1966
Blue Catfish17.75 lbsRangle HawthorneColumbia RiverJuly 9, 1975
Peamouth1.48 lbsMichael LaneColumbia RiverMay 10, 2026
Rainbow Trout, resident (including triploid)29.60 lbsNorm ButlerRufus Woods LakeNov. 11, 2002

Washington Department of Fish and Wildlife (WDFW) sport fish records list, as of October 31, 2026.

Tournaments

Events launching inside Grant County

10 published events launch in or fish Grant County, with 1 upcoming.

DateEventWaterOrganizer
May 1, 2027Nixon's Marine OpenMoses LakeNorthwest Bass
Sept. 19, 2026Championship – Banks LakeBanks LakeNorthwest Bass
Aug. 8, 2026Washington State ChampionshipMoses LakeStudent Angler Federation (The Bass Federation high school program)
July 25, 2026Tour Event 4Banks LakeKayak Fishing Northwest
June 20, 2026Lake Moses 2026/06/20 & 21 Camping InvitationalMoses LakeWashington State Pond Jumperz Bass Club
June 13, 2026Potholes Tournament (Open)Potholes ReservoirNorthwest Bass
May 15, 2026Big Bass TournamentPotholes ReservoirNorthwest Bass
April 25, 2026Banks Lake Bass FishingBanks LakeNorthwest Bass
April 25, 2026Tour Event 1Potholes ReservoirKayak Fishing Northwest
June 14, 2025Moses Lake 6/14-15/2025Moses LakeWashington State Pond Jumperz Bass Club

Organizer schedule and results pages, checked November 2026.

Local help

Grant County fly shops, tackle and hired skippers

Stores keeping Grant County anglers supplied

  • Desert Fly Anglerfly shop, Ephrata
  • Sportsman's Warehouse Moses Lakesporting goods store, Moses Lake

Yellow Pages and chain store listings, guide and charter listings (city of business); retrieved October 31, 2026.

Nearby

Places that border Grant County

Grant County towns with a fishing page

  • Moses Lakepop. 25,146
  • Ephratapop. 8,477
  • Quincypop. 7,543
  • Cascade Valleypop. 4,332
  • Moses Lake Northpop. 4,050
  • Mattawapop. 3,335
  • Wardenpop. 2,449
  • Desert Airepop. 2,288
  • Royal Citypop. 1,776
  • Soap Lakepop. 1,691
  • Lakeviewpop. 1,068

Neighbouring Washington counties of Grant County

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Fish photos

How to tell one Grant County fish from another, by photo

Smallmouth Bass, Washington
Smallmouth Bass
Photo: USFWS Mountain-Prairie, Public domain
Kokanee, Washington
Kokanee
Photo: USFWS – Pacific Region, CC BY 2.0
Mountain Whitefish, Washington
Mountain Whitefish
Photo: Mike Cline, Public domain
Coastal Cutthroat Trout, Washington
Coastal Cutthroat Trout
Photo: USFWS – Pacific Region, Public domain
Answers

Common questions about angling in Grant County

How many boat launches are mapped in Grant County?

63 launches in all, managed by 49 WDFW, 10 State Parks and 4 other agencies.

Which Grant County lake spreads widest in the WDFW layer?

Lake Roosevelt, at 83,988 surface acres in the WDFW layer.

Which species show up on the most waters by Grant County?

Rainbow trout lead the count of water pages within 50 miles, followed by largemouth bass, yellow perch and bluegill.

Is there a bait counter in Grant County?

There are 2, Desert Fly Angler among them.

Do any river guides call Grant County home?

No guide lists this county; the Washington guides page has the rest.

Where do Grant County residents go for county business?

The seat is Ephrata.

Which Washington license covers Grant County water?

WDFW sells the 2026-27 Freshwater license for $39.95 to Washington residents and $115.85 to visitors 16 and up.

What counties share a line with Grant County?

Neighbours by distance: Douglas County, Adams County and Franklin County.

Do clubs or derbies fish in Grant County?

10 events on file; next is Nixon's Marine Open on Moses Lake, May 1, 2027.

Where do Grant County waters depart from the statewide tables?

The 2026-27 pamphlet prints 792 Special Rule entries touching this county, starting with Columbia Basin Hatchery Creek; the table above shows the first ones.

Has a Washington record fish come from Grant County?

Common Carp, 49.50 lbs, from Moses Lake, Grant County (June 17, 2006).

How many trout went into Grant County water in 2026?

14 WDFW plants so far in 2026, 102,691 fish; the latest went into Park Lake on Sept. 28, 2026.

Hitch up the boat for Grant County

Check the Special Rules before keeping fish.