What special fishing regulations apply at Boysen Reservoir?

Boysen Reservoir carries 5 special-regulation overlays that override Wyoming's statewide 2026 rules, covering Rainbow trout, Brown trout, Walleye, and Yellow perch. One of them reads: "Walleye 6 / day with 15 in min Quality Management; brown trout 6 / day combined trout; perch 50 / day no min; smallmouth bass 6 / day combined + 12 in min; channel catfish 6 / day no min — WY state-record walleye 17 lb 7 oz Boysen 2007." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Boysen Reservoir?

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

Do Boysen Reservoir's special rules replace Wyoming's statewide limits?

Only where they conflict. Wyoming's statewide 2026 regulations apply on Boysen Reservoir 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 Boysen Reservoir?

Rainbow trout, Brown trout, Walleye, and Yellow perch have a water-body-specific rule on Boysen Reservoir, each linking to its full Wyoming regulations above. Species not listed here follow the statewide Wyoming limits.

2026 regulation year

Boysen Reservoir 2026 — Wyoming Fishing Regulations

Wyoming statewide rules apply unless overridden below.

Last updated May 30, 2026

Boysen Reservoir carries 5 special-regulation overlays on top of Wyoming's 2026 fishing rules — covering Rainbow trout, Brown trout, Walleye, Yellow perch. Verify the agency booklet before launching: in-season changes are not yet wired to this page.

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State-level special regulation

Walleye 6 / day with 15 in min Quality Management; brown trout 6 / day combined trout; perch 50 / day no min; smallmouth bass 6 / day combined + 12 in min; channel catfish 6 / day no min — WY state-record walleye 17 lb 7 oz Boysen 2007
Source: Wyoming special-water list

Per-species rules on Boysen Reservoir

Rainbow trout regulations →
Trout 6 / day combined; hatchery-supported rainbow trout still-water fishery
Brown trout regulations →
Trout 6 / day combined; brown trout still-water fishery with 18 in min on listed Quality Management reaches
Walleye regulations →
6 / day with 15 in min Quality Management; WY state-record walleye 17 lb 7 oz Boysen 2007; 3-6 lb fish routinely with 10+ lb fish landed annually
Yellow perch regulations →
50 / day combined panfish; Wyoming's flagship perch fishery — jumbo 10-13 in perch; premier December – February ice-fishing destination alongside the walleye fishery

Official source

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

Visit official Wyoming fishing regulations →

Emergency-order channel

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

Other special-regulation waters in Wyoming

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Boysen Reservoir?: Boysen Reservoir carries 5 special-regulation overlays that override Wyoming's statewide 2026 rules, covering Rainbow trout, Brown trout, Walleye, and Yellow perch. One of them reads: "Walleye 6 / day with 15 in min Quality Management; brown trout 6 / day combined trout; perch 50 / day no min; smallmouth bass 6 / day combined + 12 in min; channel catfish 6 / day no min — WY state-record walleye 17 lb 7 oz Boysen 2007." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Boysen Reservoir?: Yes. Boysen Reservoir is in Wyoming, so a valid Wyoming fishing license is required just as it is anywhere else in the state, issued by Wyoming Game and Fish Department (WGFD). The special regulations on this page change the bag, size, slot, or gear rules for Boysen Reservoir; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Wyoming rules.
Do Boysen Reservoir's special rules replace Wyoming's statewide limits?: Only where they conflict. Wyoming's statewide 2026 regulations apply on Boysen Reservoir 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 Boysen Reservoir?: Rainbow trout, Brown trout, Walleye, and Yellow perch have a water-body-specific rule on Boysen Reservoir, each linking to its full Wyoming regulations above. Species not listed here follow the statewide Wyoming limits.

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