Idaho lakes and reservoirs

Henrys Lake Fishing

A 6,077-acre Idaho lake in Fremont County.

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Photo of Teton River: Waldemarpaetz Troutster.com, CC BY 3.0

Fremont County

Before a first trip to Henrys Lake

IDFG gives Henrys Lake 6,077 acres of water within Fremont County. At close to 6,472 feet, mountain weather shapes the season here. Its brochure region is the IDFG Upper Snake Region. The closest Census town is St. Anthony, about 48 miles off. Its drainage, as IDFG words it: Flows into the Henrys Fork Snake River. The Planner flags it as recommended.

There are 4 launch sites on it in the agency data. The 2025-2027 brochure lists 9 special rule lines here. The Planner logs 455 stocking records since 1968. On-site facilities per IDFG: boat ramp, dock, toilet, campground and accessible facilities.

6,077surface acres
6,472 ftelevation
4launch sites
3recommended fish

Surface acres as listed in the IDFG Idaho Fishing Planner (water page), read November 7, 2026. Elevation from the USGS National Hydrography Dataset and GNIS for the matched lake outline, read November 7, 2026. Census 2020 places.

Species

What anglers catch in Henrys Lake

The species chips for Henrys Lake draw on Planner picks, surveys and plants.

Cutthroat trout Brook trout Cutbow Rainbow x cutthroat trout Utah chub Kokanee Redside shiner Cutthroat trout – yellowstone

Survey catches recorded at Henrys Lake

  • Brook Troutsurvey 2022
  • Cottussurvey 2022
  • Cutthroat Troutsurvey 2022
  • Rainbow x Cutthroat Troutsurvey 2022
  • Utah Chubsurvey 2022
  • Kokaneesurvey 2019
  • Redside Shinersurvey 2003

These are survey finds, not a promise of what bites.

IDFG Idaho Fishing Planner water page, read November 7, 2026.

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Access

Ramps that reach Henrys Lake

  • Henry's Lake launchlake and pond fishing, USDA Forest Service
  • Henrys Lake – Frome Park boat rampboating access, ramp, dock, restroom, camping
  • Henrys Lake – South Shore boat rampboating access, ramp, restroom, camping
  • Henry's Lake – Boat Accessboat launch, Bureau of Land Management

Backup ramps for Henrys Lake

  • McCrea boat rampboating access, ramp, restroom, camping, 12 miles south
  • McCrea Bridge Boat Rampboating – motorized, ramp, 12 miles south
  • Mill Creek boat rampMill Creek, 13 miles south
  • Buttermilk boat ramp on Island Park Reservoir (north)Island Park Reservoir, 14 miles south
  • Buttermilk Boat Ramp on Island Park Reservoir (south)Island Park Reservoir, 15 miles south
  • Island Park Boating Site boat rampIsland Park Reservoir, 15 miles south

IDFG access sites close to Henrys Lake

  • Buffalo ADA fishing accessfishing access, restroom, camping, 15 miles

The Planner lists no motor restriction here.

IDFG Fishing and Boating Access Sites layer, BLM Idaho recreation site points and USDA Forest Service recreation opportunities (EDW), read November 7, 2026.

Level

Gauge and dam readings at Henrys Lake

USGS gaugeLatest readingTime (ET)
Henrys Lake Nr Lake Id13.10 ft gage heightNov 8 6:30 pm

US Geological Survey provisional data, retrieved Nov 8, 2026 7:32 pm ET. Provisional readings can be revised.

Look at the timestamp before trusting a number for Henrys Lake.

Stocking

Fish stocked in Henrys Lake

From 1968 through 2026, IDFG logged 455 plants at Henrys Lake.

  • Brook Trout (triploid)Brook Trout – Triploid, 114,810 fish, Fingerling (3-6 inches), September 22, 2026
  • Cutbow – Cutthroat x Rainbow Trout (triploid)Cutbow – Cutthroat x Rainbow Trout – Triploid, 257,850 fish, Fry (0-3 inches), September 22, 2026
  • Cutthroat Trout – YellowstoneCutthroat Trout – Yellowstone, 1,067,432 fish, Fry (0-3 inches), September 21, 2026
  • Cutbow – Cutthroat x Rainbow Trout (triploid)Cutbow – Cutthroat x Rainbow Trout – Triploid, 19,215 fish, Fingerling (3-6 inches), May 4, 2026
  • Brook Trout (triploid)Brook Trout – Triploid, 93,765 fish, Fingerling (3-6 inches), September 23, 2025
  • Cutbow – Cutthroat x Rainbow Trout (triploid)Cutbow – Cutthroat x Rainbow Trout – Triploid, 264,379 fish, Fingerling (3-6 inches), September 23, 2025
  • Cutbow – Cutthroat x Rainbow Trout (triploid)Cutbow – Cutthroat x Rainbow Trout – Triploid, 18,252 fish, Fry (0-3 inches), September 23, 2025
  • Cutthroat Trout – YellowstoneCutthroat Trout – Yellowstone, 141,491 fish, Fingerling (3-6 inches), September 23, 2025
  • Cutthroat Trout – YellowstoneCutthroat Trout – Yellowstone, 948,702 fish, Fingerling (3-6 inches), September 22, 2025
  • Brook Trout (triploid)Brook Trout – Triploid, 106,788 fish, Fingerling (3-6 inches), September 19, 2024

Stocking rows as printed on the IDFG Fishing Planner page (date, species, number and size as listed), read November 7, 2026.

Limits

How many fish you can keep from Henrys Lake

GroupRegion rule as printed
BassBass – no bag, length, or possession limits
Brook TroutBrook Trout limit is 25; Harvest allowed during any open season unless otherwise noted under Special Rules – if gear or bait restrictions are listed, they apply when fishing for Brook Trout
Bull TroutBull trout – catch-and-release
KokaneeKokanee limit is 15
SturgeonSturgeon – catch-and-release; Sturgeon must not be removed from the water and must be released upon landing; Barbless hooks, sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device are required. See fishing regulations for details
Tiger MuskieTiger Muskie limit is 2, none under 40 inches
TroutTrout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately
WalleyeNo bag, length, or possession limits, harvest is encouraged (Have not been stocked intentionally in this Region. May be harmful to existing fisheries.)
WhitefishWhitefish limit is 25 – see Big Lost River exception; Harvest allowed during any open season unless otherwise noted under Special Rules – if gear or bait restrictions are listed, they apply when fishing for whitefish
Protected Nongame Fish including Bluehead SuckerMay not be harvested or possessed (also known as Green Sucker)
All Other Fish SpeciesNo bag, length or possession limit

Region lines for the IDFG Upper Snake Region apply at Henrys Lake except where noted below.

Special rules printed for Henrys Lake

The rule block heading reads "Henrys Lake Those portions of the lake within the posted boundaries of Staley Springs and within 100 yards of Hatchery Creek".

Rule as printed
Closed to fishing
February 15 through Friday before Memorial Day Weekend – trout – catch-and-release, including Brook Trout.
Saturday of Memorial Day Weekend through February 14 – trout limit is 2, Brook Trout counted in the trout limit
Fishing must cease after the 2-trout daily bag limit has been reduced to possession
July 1 through March 31 – no harvest of Cutthroat Trout; Brook Trout limit is 25; only two Brook Trout over 16 inches
April 1 through June 30 – closed to fishing
Hatchery Creek – closed to fishing
December 1 through Friday before Memorial Day weekend – trout – catch-and-release (except Brook Trout)
Saturday of Memorial Day weekend through November 30 – trout limit is 6, only 2 may be Cutthroat Trout, no Cutthroat Trout under 16 inches

Special rules printed for Henrys Lake Those portions of the lake within the posted boundaries of Staley Springs and within 100 yards of Hatchery Creek on its IDFG Fishing Planner page (Idaho Fishing Seasons and Rules, 2025-2027), read November 7, 2026.

Fishing here takes an Idaho fishing license; Idaho Code 36-416 sets the annual statutory fee at $28.75 for residents and $106.25 for nonresidents, and steelhead or salmon fishing takes its own permit.

Region bag limits from Idaho Fishing Seasons and Rules, 2025-2027 for the Upper Snake Region, as printed on IDFG Fishing Planner water pages (the brochure PDF on idfg.idaho.gov was unreachable during site maintenance), read November 7, 2026.

Fishing license fees as set in Idaho Code 36-416 (statute; IDFG sale prices add vendor and processing fees), read November 7, 2026.

Records

Record-book fish IDFG credits to Henrys Lake

SpeciesSizeCategoryWater as printedCaughtSource
Yellowstone Cutthroat Trout3.08 (pounds), 19 inchescertified weightHenrys Lakesource

Idaho state record fish, read November 8, 2026.

Compare

Nearby still water beside Henrys Lake

For more elbow room, Island Park Reservoir offers 7,280 acres.

LakeDistanceAcresRegionRecommended fishLaunch sites
Henrys Lake6,077Upper Snake Region34
Trudes Reservoir17 miles southwest89Upper Snake Region00
Island Park Reservoir18 miles south7,280Upper Snake Region29
Silver Lake21 miles south165Upper Snake Region00
East Harriman Fish Pond23 miles south31Upper Snake Region10
Beaver Pond30 miles south62Upper Snake Region00

IDFG Idaho Fishing Planner and the agency access layers, read November 7, 2026.

Nearby

Close to Henrys Lake

Reservoirs and lakes neighbouring Henrys Lake

  • Trudes Reservoir17 miles southwest
  • Island Park Reservoir18 miles south
  • Silver Lake21 miles south
  • East Harriman Fish Pond23 miles south
  • Beaver Pond30 miles south

Gear shops Henrys Lake anglers lean on

  • Henry's Fork Anglersbait and tackle shop, Island Park, 19 miles
  • House of Harropbait and tackle shop, Saint Anthony
  • Idaho Irresistiblesbait and tackle shop, Ashton
  • TRR – Henry's Fork Shuttle Servicebait and tackle shop, Ashton
  • Three Rivers Ranch Outfittersbait and tackle shop, Ashton

Outfitters listed near Henrys Lake

Henrys Lake, broken out by county

  • Fremont Countyseat: Saint Anthony
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Photos

Reservoirs, alpine lakes and canyon runs close to Henrys Lake, in pictures

Madison County, Idaho
Madison County 60 mi
Photo: Ken Lund, CC BY-SA 2.0
Teton County, Idaho
Teton County 65 mi
Photo: The38superdude, CC BY-SA 3.0
South Fork Snake River, Idaho
South Fork Snake River 72 mi
Photo: BLMIdaho, CC BY 2.0
Answers

Before you load the truck for Henrys Lake

Where in Idaho is Henrys Lake?

Look in Fremont County, about 48 miles from St. Anthony.

What size does the Planner give Henrys Lake?

Near 6,077 acres, at about 6,472 feet.

Which listed launch suits a first trip to Henrys Lake?

Use Henry's Lake launch, one of 4 launch sites.

Which species are on record at Henrys Lake?

IDFG recommends cutthroat trout, brook trout and cutbow – cutthroat x rainbow trout.

Does IDFG print special rules for Henrys Lake?

Under the IDFG Upper Snake Region block: Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately. Read the water-specific lines above too.

Do I need an Idaho license to fish Henrys Lake?

Fishing here takes an Idaho fishing license; Idaho Code 36-416 sets the annual statutory fee at $28.75 for residents and $106.25 for nonresidents, and steelhead or salmon fishing takes its own permit.

Does IDFG plant fish in Henrys Lake?

Yes, 455 rows; most recent Brook Trout – Triploid, 114,810 fish, Fingerling (3-6 inches), September 22, 2026.

Who sells flies and worms close to Henrys Lake?

Stop at Henry's Fork Anglers, about 19 miles away.

Where on this page is the level reading for Henrys Lake?

Above: the dated reading from USGS.

Has Henrys Lake produced an Idaho record?

IDFG announced a certified weight record for Yellowstone Cutthroat Trout at 3.08 (pounds), 19 inches (Henrys Lake), caught on a date the release gave; anglers are not named here.

Plan a Gem State trip around Henrys Lake

Check the bag limit before a fish goes in the cooler.