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 6 come with LakeScope PRO. Full screen
Big Sandy Reservoir
Sublette County, Wyoming · about 1,650 acres (2.6 sq mi)
43°F water, level rising, calm this morning.
About Big Sandy Reservoir
Big Sandy Reservoir spreads over about 1,650 acres in Sublette County, Wyoming.
It stretches about 2.8 miles end to end with roughly 13.6 miles of shoreline. The water sits about 6,750 ft above sea level. Marbleton lies about 38 miles to the northwest.
- Size
- About 1,650 acres (2.6 sq mi)
- Shoreline
- About 13.6 miles
- End to end
- About 2.8 miles
- Elevation
- About 6,750 ft
- County
- Sublette County
The lake from above
Best fishing times
Saturday Good
- 6:30 am – 8:45 amsunrise · wind 5 mph
- 3:30 pm – 5:30 pm bestsunset, moon overhead · wind 7 mph
Sunday Good
- 6:30 am – 8:45 amsunrise · wind 3 mph
- 4:15 pm – 5:30 pm bestsunset, moon overhead · wind 3 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in Wyoming, trout, yellow perch and smallmouth bass are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. With the surface at 43°F, the notes below say which of them should be biting.
- GoodTrout
Good range. Near the surface and along shorelines.
- GoodYellow perch
Schooled near weed edges and soft bottom.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
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
- 5
- 6
- 7
6 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
Rising 0.5 ft in 7 days.
Latest reading .
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 7:06 am · sunset 4:57 pm · waxing crescent moon (lake time).
Towns and places to stay near Big Sandy Reservoir
- Marbletonabout 38 mi northwest
- North Rock Springsabout 42 mi south
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Questions about Big Sandy Reservoir
What fish are in Big Sandy Reservoir?
Lakes like Big Sandy Reservoir usually hold trout, yellow perch and smallmouth bass. Check the state fish and wildlife agency for stocking and limits.
How deep is Big Sandy 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 Big Sandy Reservoir?
About 1,650 acres, with about 13.6 miles of shoreline.
What town is near Big Sandy Reservoir?
Marbleton is about 38 miles northwest; North Rock Springs is about 42 miles south.
What is the water temperature at Big Sandy Reservoir today?
The surface was about 43°F on the latest clear reading. The page updates every day.
Big Sandy Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
