The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (back of a cove) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Tongue River Reservoir
Big Horn County, Montana · about 2,110 acres (3.3 sq mi)
53°F water, calm this morning.
About Tongue River Reservoir
In Big Horn County, Montana, Tongue River Reservoir covers about 2,110 acres.
It stretches about 6.3 miles end to end and its shoreline adds up to about 22 miles. The water sits about 3,410 ft above sea level. Sheridan is about 19 miles south.
- Size
- About 2,110 acres (3.3 sq mi)
- Shoreline
- About 22 miles
- End to end
- About 6.3 miles
- Elevation
- About 3,410 ft
- County
- Big Horn County
The lake from above
Best fishing times
Saturday Good
- 6:30 am – 8:45 amsunrise · wind 0 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 2 mph
Sunday Good
- 6:30 am – 8:45 amsunrise · wind 1 mph
- 4:00 pm – 5:15 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 Montana, largemouth bass, crappie, bluegill and sunfish and catfish 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 53°F, the notes below say which of them should be biting.
- FairLargemouth bass
Cooling down. Try slow baits on points and deeper channel edges.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
- FairCatfish
Waking up. Channels and creek mouths, especially after rain.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Back of a cove
Sheltered, shallower water where baitfish gather.
- 2
- 3
- 4
- 5
- 6
5 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 7:02 am · sunset 4:39 pm · waxing crescent moon (lake time).
Towns and places to stay near Tongue River Reservoir
- Sheridanabout 19 mi south
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Tongue River Reservoir
What fish are in Tongue River Reservoir?
Lakes like Tongue River Reservoir usually hold largemouth bass, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Tongue River 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 Tongue River Reservoir?
About 2,110 acres, with about 22 miles of shoreline.
What town is near Tongue River Reservoir?
Sheridan is about 19 miles south.
What is the water temperature at Tongue River Reservoir today?
The surface was about 53°F on the latest clear reading. The page updates every day.
Tongue River Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.