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Washington lakes and reservoirs

Billy Clapp Lake Fishing

A 974-acre Washington lake in Grant County.

Get driving directions

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Photo of Lake Lenore: Tiffany Von Arnim, CC BY 2.0

Grant County

Getting to know Billy Clapp Lake

In Grant County, Billy Clapp Lake measures 974 surface acres by the WDFW figure. The WDFW layer puts its surface near 1,340 feet above sea level. Groceries and fuel are closest in Soap Lake, roughly 12 miles out. WDFW files it as mixed-species water managed with a warmwater emphasis. The county lies inside WDFW Region 2.

The layers tally 1 launch on it, 1 public. WDFW maps 2 shore fishing sites as well. WDFW grades access from shore as good.

974surface acres

1,340 ftelevation

1launches

2shore sites

WDFW Fish Washington lake layers on geodataservices.wdfw.wa.gov (surface acres, elevation, management emphasis, shoreline access, species), USGS NHD outlines, Census 2023 places, retrieved October 31, 2026.

Directions to Billy Clapp Lake

Species

Catches anglers expect on Billy Clapp Lake

Fish linked to Billy Clapp Lake in WDFW data:

Rainbow trout Kokanee Largemouth bass Smallmouth bass Walleye Yellow perch Black crappie Bluegill

WDFW Fish Washington species layers (presence, not abundance), WDFW records and the 2026 trout plant report; retrieved October 31, 2026.

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Access

Boat ramps around Billy Clapp Lake

Billy Clapp Lake boat launch1 ramp, concrete surface, Discover Pass, Washington Department of Fish and Wildlife

WDFW shore sites on Billy Clapp Lake

Billy Clapp Lake shore accessshore fishing site, 100+ meters of shore fishing, trail leading North to possibl
Billy Clapp Lake shore access near Coulee Cityshore fishing site, 200+ meters of shore fishing area

Ramps within easy towing of Billy Clapp Lake

Sun Lakes launch on Park LakePark Lake, 12 miles northwest
Blue Lake boat launch (south)Blue Lake, 12 miles northwest
Alkali Lake boat launchAlkali Lake, 12 miles northwest
Gage Station boat launch on Lake LenoreLake Lenore, 13 miles west
Ankeny (south) boat launch on Banks LakeBanks Lake, 13 miles north
Sam Israel boat launch on Lake LenoreLake Lenore, 13 miles west

WDFW Water Access Sites and Shore Fishing Sites layers (geodataservices.wdfw.wa.gov) and the Washington State Parks boat launch layer, retrieved October 31, 2026. A Discover Pass is needed to park at WDFW access sites and State Parks launches.

Limits

Washington limits for Billy Clapp Lake

Species	Daily limit and size	Season
Largemouth Bass	No 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
Smallmouth Bass	No 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
Walleye	Min. 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
Channel Catfish	No 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
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 Carp	Closed unless otherwise listed in Special Rules.	Closed
Kokanee	No 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
Whitefish	No 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
Steelhead	Release 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 Trout	In lakes, ponds, and reservoirs: No min. size. Daily limit 5.	Year-round (statewide lake season, p.23)
Trout (combined rivers and lakes same day)	The combined daily limit for an angler that fishes in both rivers and lakes on the same day is 5 trout, no more than 2 may be from rivers.	see the pamphlet
Lake Trout	No min. size. No daily limit.	Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31 (p.23 general rule for
Eastern Brook Trout (EBT)	No min. size. No daily limit.	Lakes, ponds, and reservoirs: year-round; rivers, streams and beaver ponds: Sat. before Memorial Day through Oct. 31 (p.23 general rule for
Dolly Varden/Bull Trout	Closed unless otherwise listed in Special Rules.	Closed

Start with the statewide table for Billy Clapp Lake; any Special Rule overrides it.

Anglers 16 and older need a Washington Freshwater license ($39.95 resident, $115.85 nonresident for 2026-27) or a Combination license; salmon, steelhead and sturgeon also take a catch record card.

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.

Washington licenses and limits

Compare

Lakes around Billy Clapp Lake, side by side

The largest lake listed alongside is Deep Lake (Grant County) at 101 acres.

Lake	Distance	Acres	Elevation	Launches
Billy Clapp Lake		974	1,340 ft	1
Deep Lake (Grant County)	10 miles north	101	1,236 ft	0
Rainbow Lake (Grant County)	11 miles northwest	10	1,136 ft	0
Perch Lake	11 miles northwest	16	1,208 ft	0
Homestead Lake	12 miles south	12	1,186 ft	0
Dry Falls Lake	12 miles northwest	88	1,211 ft	0

WDFW Fish Washington lake layers, access layers and the 2026 trout plant report; retrieved October 31, 2026.

Nearby

A few miles from Billy Clapp Lake

Nearby lakes worth a look from Billy Clapp Lake

Deep Lake (Grant County)10 miles north
Rainbow Lake (Grant County)11 miles northwest
Perch Lake11 miles northwest
Homestead Lake12 miles south
Dry Falls Lake12 miles northwest

Tackle and bait counters serving Billy Clapp Lake

Sportsman's Warehouse Moses Lakesporting goods store, Moses Lake, 22 miles
Desert Fly Anglerfly shop, Ephrata

Where to book a room for Billy Clapp Lake

Soap Lake12 miles
Lakeview13 miles
Ephrata17 miles

County guides for Billy Clapp Lake

Grant Countyseat: Ephrata

Piscifun

Piscifun gear a Cascades angler could bring to Billy Clapp Lake

Piscifun and Amazon links are affiliate links; the site earns a commission on qualifying purchases.

Photos

Lakes, rivers and sound close to Billy Clapp Lake, pictured

Moses Lake, Washington — Moses Lake 19 mi
Photo: Fighting Irish 1977, CC BY 2.0

Lake Roosevelt, Washington — Lake Roosevelt 47 mi
Photo: Ken Lund, CC BY-SA 2.0

Blue Lake (Grant County), Washington — Blue Lake (Grant County) 12 mi
Photo: reverendlukewarm, CC BY-SA 2.0

Banks Lake, Washington — Banks Lake 28 mi
Photo: brewbooks, CC BY-SA 2.0

Answers

What people planning Billy Clapp Lake want to know

What part of the Evergreen State holds Billy Clapp Lake?

You will find it in Grant County, about 12 miles from Soap Lake.

How much surface does Billy Clapp Lake spread across in the WDFW layer?

About 974 surface acres.

Which listed launch sits closest to Billy Clapp Lake?

Yes: 1 launch appear in the access layers, Billy Clapp Lake boat launch among them.

What fish does WDFW list for Billy Clapp Lake?

On the list: rainbow trout, kokanee, largemouth bass, smallmouth bass, walleye, yellow perch and black crappie.

What daily limit applies on Billy Clapp Lake?

Brown Trout, Cutthroat Trout, Rainbow Trout, Golden Trout, Tiger Trout: In lakes, ponds, and reservoirs: No min. size. Daily limit 5.; Year-round (statewide lake season, p.23).

Can a visitor from Idaho fish Billy Clapp Lake?