The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 3 come with LakeScope PRO. Full screen
Boysen Reservoir
Fremont County, Wyoming · 19,600 acres (30.6 sq mi)
50°F water, calm this morning.
About Boysen Reservoir
In Fremont County, Wyoming, Boysen Reservoir covers 19,600 acres; it is a reservoir. Boysen Dam holds it back on the Wind River. Boysen Reservoir on the Wind River is a popular warmwater fishery known for walleye.
It stretches about 17 miles end to end with roughly 73 miles of shoreline. At about 4,730 ft above sea level, it follows the seasons of the region. Riverton is about 14 miles southwest.
- Size
- 19,600 acres (30.6 sq mi)
- Shoreline
- About 73 miles
- End to end
- About 17 miles
- Elevation
- About 4,730 ft
- Type
- Reservoir
- Dam
- Boysen Dam, Wind River
- County
- Fremont County
The lake from above
Best fishing times
Saturday Good
- 6:30 am – 8:45 amsunrise · wind 6 mph
- 3:30 pm – 5:30 pm bestsunset, moon overhead · wind 2 mph
Sunday Good
- 6:30 am – 8:45 amsunrise · wind 2 mph
- 4:15 pm – 5:30 pm bestsunset, moon overhead · wind 2 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Boysen Reservoir
The fish here: walleye, yellow perch, crappie, catfish and trout. At 50°F on the surface right now, here is how each one should behave.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodYellow perch
Schooled near weed edges and soft bottom.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- FairCatfish
Waking up. Channels and creek mouths, especially after rain.
- GoodTrout
Good range. Near the surface and along shorelines.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
3 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:03 am · sunset 4:49 pm · waxing crescent moon (lake time).
Towns and places to stay near Boysen Reservoir
- Rivertonabout 14 mi southwest
- Thermopolisabout 16 mi north
- Arapahoeabout 21 mi southwest
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Questions about Boysen Reservoir
What fish are in Boysen Reservoir?
Boysen Reservoir holds walleye, yellow perch, crappie, catfish and trout. Check the state fish and wildlife agency for stocking and limits.
How deep is Boysen Reservoir?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Boysen Reservoir?
19,600 acres, with about 73 miles of shoreline.
What town is near Boysen Reservoir?
Riverton is about 14 miles southwest; Thermopolis is about 16 miles north.
What is the water temperature at Boysen Reservoir today?
The surface was about 50°F on the latest clear reading. The page updates every day.
Boysen Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.