What special fishing regulations apply at Henrys Lake?

Henrys Lake carries 3 special-regulation overlays that override Idaho's statewide 2026 rules, covering Cutthroat trout and Brook trout. One of them reads: "Trophy Yellowstone cutthroat + cutbow hybrid (Henrys Lake cutbow) + brook trout fishery; cutthroat trout 2 / day + 20 in min TROPHY MANAGEMENT on Henrys Lake (one of country's premier trophy cutthroat fisheries); electric-motor-only special-regulation; IDFG Henrys Lake State Fish Hatchery facility." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Henrys Lake?

Yes. Henrys Lake is in Idaho, so a valid Idaho fishing license is required just as it is anywhere else in the state, issued by Idaho Department of Fish and Game (IDFG). The special regulations on this page change the bag, size, slot, or gear rules for Henrys Lake; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Idaho rules.

Do Henrys Lake's special rules replace Idaho's statewide limits?

Only where they conflict. Idaho's statewide 2026 regulations apply on Henrys Lake by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.

Which species have special rules on Henrys Lake?

Cutthroat trout and Brook trout have a water-body-specific rule on Henrys Lake, each linking to its full Idaho regulations above. Species not listed here follow the statewide Idaho limits.

2026 regulation year

Henrys Lake 2026 — Idaho Fishing Regulations

Idaho statewide rules apply unless overridden below.

Last updated June 4, 2026

Henrys Lake carries 3 special-regulation overlays on top of Idaho's 2026 fishing rules — covering Cutthroat trout, Brook trout. Verify the agency booklet before launching: in-season changes are not yet wired to this page.

Get change alerts

Watch Henrys Lake (ID) and we'll email you when a season, bag limit, slot, or closure changes. Free while in beta.

State-level special regulation

Trophy Yellowstone cutthroat + cutbow hybrid (Henrys Lake cutbow) + brook trout fishery; cutthroat trout 2 / day + 20 in min TROPHY MANAGEMENT on Henrys Lake (one of country's premier trophy cutthroat fisheries); electric-motor-only special-regulation; IDFG Henrys Lake State Fish Hatchery facility
Source: Idaho special-water list

Per-species rules on Henrys Lake

Cutthroat trout regulations →
20 in min, 2 / day TROPHY MANAGEMENT; electric-motor-only special-regulation; country's premier trophy Yellowstone cutthroat fishery
Brook trout regulations →
Trophy brook trout + Yellowstone cutthroat fishery; electric-motor-only special-regulation; confirm current-year brook limit

Official source

Idaho Department of Fish and Game (IDFG) publishes the authoritative 2026 Idaho fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.

Visit official Idaho fishing regulations →

Emergency-order channel

In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to Idaho Department of Fish and Game's emergency-order feed — check it before any Idaho trip during the active season.

Other special-regulation waters in Idaho

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Henrys Lake?: Henrys Lake carries 3 special-regulation overlays that override Idaho's statewide 2026 rules, covering Cutthroat trout and Brook trout. One of them reads: "Trophy Yellowstone cutthroat + cutbow hybrid (Henrys Lake cutbow) + brook trout fishery; cutthroat trout 2 / day + 20 in min TROPHY MANAGEMENT on Henrys Lake (one of country's premier trophy cutthroat fisheries); electric-motor-only special-regulation; IDFG Henrys Lake State Fish Hatchery facility." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Henrys Lake?: Yes. Henrys Lake is in Idaho, so a valid Idaho fishing license is required just as it is anywhere else in the state, issued by Idaho Department of Fish and Game (IDFG). The special regulations on this page change the bag, size, slot, or gear rules for Henrys Lake; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Idaho rules.
Do Henrys Lake's special rules replace Idaho's statewide limits?: Only where they conflict. Idaho's statewide 2026 regulations apply on Henrys Lake by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.
Which species have special rules on Henrys Lake?: Cutthroat trout and Brook trout have a water-body-specific rule on Henrys Lake, each linking to its full Idaho regulations above. Species not listed here follow the statewide Idaho limits.

← Back to Idaho regulations overview