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Bureau of Reclamation reservoir / State park

Boysen Reservoir

Fremont County, Wyoming

Boysen Reservoir is on the Wind River in central Wyoming, north of Shoshoni. It is best known for walleye and sauger, with trout and perch too.

N10 mi
Air temp in Shoshoni, WY Loading current temperature…
Map data © OpenStreetMap contributors.
Surface area19,560 acres
Max depth—
Shoreline76 mi
Boat motorsCheck local rules

Species

Fishery rating out of 5.

Walleye●●●●●

Strong hatches have produced good numbers of 12 to 20 inch fish.

Sauger●●●●○

River current and deep holes. Jigs and minnows in cold water.

Yellow Perch●●●○○

Schools on mud and sand flats. Great through the ice.

Rainbow Trout●●●○○

Shorelines and inlets in cool months, deeper water in summer.

Brown Trout●●○○○

Low-light hours and cold water. Big fish on minnow baits.

Boat launches

6 launch sites. Fees and hours change, so confirm before you go.

  • Brannon rampFee
    Boysen State Park, north end near Shoshoni; floating dock, day-use feeDirections ↗
  • Tough Creek rampFee
    Boysen State Park; floating dock, day-use feeDirections ↗
  • Cottonwood rampFee
    Boysen State Park; floating dock, day-use feeDirections ↗
  • Fremont rampFee
    Boysen State Park; concrete dock, day-use feeDirections ↗
  • Lakeside rampFee
    Boysen State Park; ramp only, day-use feeDirections ↗
  • More public accessPublic
    See Wyoming Game & Fish or the lake manager's website for all ramps and feesDirections ↗

Size & creel limits

Statewide limits for species in this lake, confirmed from the official state regulations. The state lists no special rule for this lake. Minimum size and daily limit.

SpeciesMin sizeDaily limit
Rainbow Trout
Lakes 6 (streams 3) combined trout; only 1 trout over 16 in
See Wyoming rules book ↗6 / day combined
Brown Trout
Lakes 6 (streams 3) combined trout; only 1 trout over 16 in
See Wyoming rules book ↗6 / day combined
Walleye
Area/water exceptions apply
See Wyoming rules book ↗6 / day
Sauger
Area/water exceptions apply
See Wyoming rules book ↗2 / day
Yellow Perch
Combined with crappie, bluegill, pumpkinseed, green sunfish, rock bass, bullhead, drum, stonecat
See Wyoming rules book ↗50 / day combined
Verified October 2026. Rules change, so confirm current limits with the Wyoming Game and Fish Department (2026 regulations on eRegulations) before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Search more bait shops near Boysen Reservoir ↗

Local tips

  • The Wind River drainage limit is 6 walleye and 2 sauger a day.
  • Keep fish whole until you leave the water or ice.
  • Ice fishing for walleye and sauger is good in winter.

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches; blue pins are bait shops nearby.

More Wyoming lakes

Jackson Lake Pathfinder Reservoir Seminoe Reservoir Glendo Reservoir Keyhole Reservoir Buffalo Bill Reservoir Fontenelle Reservoir Ocean Lake All Wyoming lakes →

Always wear a life jacket and check your state's current regulations before you fish.