Fremont County, WY · Reservoir
Boysen Reservoir
A 20,000-acre Wind River reservoir in Boysen State Park, at the mouth of the dramatic Wind River Canyon in central Wyoming. The state’s top walleye and sauger fishery, fished hard from boats and shore, with rainbow trout, perch, and crappie rounding out the catch. Tough Creek and Brannon offer public ramps and shoreline access.
Live · updated
Top picks today
Walleye, Rainbow Trout & Crappie — tied at the top (68/100)
3 species tied for best of 4 tracked at Boysen Reservoir.
Atmosphere
Water
Sun & Moon
Species at Boysen Reservoir
4 species tracked, ranked by today's conditions. The top 3 (tied) are open below — tap any species to expand it, or a chip to focus.
#1 Walleye Workable day for Walleye. In season 68/100
What's helping
- 14 mph wind — light chop — baitfish active, fish willing to feed
About. Sander vitreus — Maryland's premier cool-water gamefish. Deep Creek Lake is the flagship fishery; also found in the non-tidal Potomac and the Youghiogheny River. Low-light feeder — dusk, dawn, and overcast/windy days are prime. Jigs, crankbaits, and nightcrawler harnesses are standard.
Prefers. Water 50–72°F (ideal 62°F) · either tide · depth 10–40 ft.
- Daily creel
- 6
Wyoming: 6 walleye/day (Boysen Reservoir and most waters); sauger share the limit on some waters.
Source: Wyoming non-tidal regulations · verified 2026-06-03.
#1 Rainbow Trout Check local Rainbow Trout regulations before you keep one. Regs unverified 68/100
We don't have confirmed size, creel, or season rules for Rainbow Trout in WY on file yet. The live conditions score still applies — but confirm the current regulations with your state agency before keeping any fish.
What's helping
- 14 mph wind — light chop — baitfish active, fish willing to feed
About. Oncorhynchus mykiss — The most heavily stocked trout in Maryland. Put-and-take fisheries across the state plus holdover/wild fish in Western MD streams (Savage, Youghiogheny tailwater, Gunpowder). Takes PowerBait, small spinners, and standard dry/nymph patterns.
Prefers. Water 45–68°F (ideal 55°F) · either tide · depth 3–20 ft.
No regulations on file for Wyoming non-tidal / non-tidal. Check the appropriate state agency directly before fishing.
#1 Crappie Check local Crappie regulations before you keep one. Regs unverified 68/100
We don't have confirmed size, creel, or season rules for Crappie in WY on file yet. The live conditions score still applies — but confirm the current regulations with your state agency before keeping any fish.
What's helping
- 14 mph wind — light chop — baitfish active, fish willing to feed
About. Pomoxis spp. — Covers both black crappie (P. nigromaculatus) and white crappie (P. annularis). Schooling panfish around brush, docks, and submerged timber. Spring pre-spawn is the prime season — small minnows and 1/16-oz jigs are the go-to.
Prefers. Water 50–80°F (ideal 65°F) · either tide · depth 3–20 ft.
No regulations on file for Wyoming non-tidal / non-tidal. Check the appropriate state agency directly before fishing.
#4 Yellow Perch Check local Yellow Perch regulations before you keep one. Regs unverified 62/100
We don't have confirmed size, creel, or season rules for Yellow Perch in WY on file yet. The live conditions score still applies — but confirm the current regulations with your state agency before keeping any fish.
What's helping
- 14 mph wind — light chop — baitfish active, fish willing to feed
What's hurting
- incoming tide — yellow perch prefers slack tide
About. Perca flavescens — Late-winter and early-spring favorite. Schools up in tidal tributaries for the pre-spawn run in February and March, taking small minnows, shad darts, and small jigs. A classic Eastern Shore "neds" fishery.
Prefers. Water 45–70°F (ideal 58°F) · slack tide · depth 5–30 ft.
No regulations on file for Wyoming non-tidal / non-tidal. Check the appropriate state agency directly before fishing.
Location Info
Water Body
Reservoir
Access
Pier, shore, and ramp
Jurisdiction
Wyoming non-tidal
Coordinates
Notes
6 walleye/day. The tailwater below the dam through Wind River Canyon is a separate blue-ribbon trout run.
Local reports & rules for Boysen Reservoir: Wyoming Game & Fish fishing & regulations → · trout stocking schedule → · fish-consumption advisories (EPA directory) →
Nearby Access Points
Frequently Asked
Do I need a fishing license to fish at Boysen Reservoir?
Yes (anglers age 16 and older). To fish at Boysen Reservoir you need the appropriate state fishing license. See the agency's current rules: the state agency website
What fish are commonly targeted at Boysen Reservoir?
Boysen Reservoir is listed on this site for 4 commonly-targeted species: Walleye, Rainbow Trout, Crappie, Yellow Perch. Which species is currently in season and which is scoring highest today is shown in the per-species ranking on this page.
When is the best time to fish at Boysen Reservoir?
It depends more on the species and the day's conditions than on a fixed "best hour." Water temperature, weather, and — at tidal locations — the stage of the tide drive activity most. The per-species ranking on this page scores every target species at Boysen Reservoir against today's live conditions, so the fish near the top are your best bets right now; check back as conditions change through the day.
What kind of access does Boysen Reservoir have?
Boysen Reservoir has multiple access types — pier, shoreline, and at least one public boat ramp. 6 walleye/day. The tailwater below the dam through Wind River Canyon is a separate blue-ribbon trout run.
Which state's fishing regulations apply at Boysen Reservoir?
state agency regulations apply at Boysen Reservoir. Size limits, creel limits, and seasonal closures are listed per species on each species page. Always confirm against the agency source linked from each regulation block — emergency closures can take effect mid-season.
Is Boysen Reservoir tidal water?
No. Boysen Reservoir is non-tidal — water level varies with rainfall, seasonal flow, and (where applicable) upstream dam releases rather than tidal exchange.