The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (steep ledge) is open for everyone; the other 3 come with LakeScope PRO. Full screen
American Falls Reservoir
Bannock County, Idaho · about 49,200 acres (76.9 sq mi)
48°F water, windy Friday (17 mph S).
About American Falls Reservoir
American Falls Reservoir is a reservoir in Bannock County, Idaho, covering about 49,200 acres. American Falls Dam holds it back on the Snake River. American Falls Reservoir is a major irrigation storage reservoir on the Snake River in southeastern Idaho.
It stretches about 19.4 miles end to end and its shoreline adds up to about 80 miles. The water sits about 4,320 ft above sea level. American Falls is right by the lake. The closest city is Pocatello, about 10 miles away.
- Size
- About 49,200 acres (76.9 sq mi)
- Shoreline
- About 80 miles
- End to end
- About 19.4 miles
- Elevation
- About 4,320 ft
- Type
- Reservoir
- Dam
- American Falls Dam, Snake River
- County
- Bannock County
The lake from above
Best fishing times
Saturday Fair
- 3:45 pm – 5:45 pm bestsunset, moon overhead · wind 18 mph
Sunday Good
- 6:45 am – 9:00 amsunrise · wind 8 mph
- 4:30 pm – 5:45 pm bestsunset, moon overhead · wind 8 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
Lakes like American Falls Reservoir in Idaho usually hold largemouth bass, walleye, crappie, bluegill and sunfish and catfish. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 48°F on the surface right now, here is how each one should behave.
- FairLargemouth bass
Cooling down. Try slow baits on points and deeper channel edges.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
- SlowCatfish
Cold. Slow, in the deepest holes. Cut bait works best.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Steep ledge
A sharp wall beside deep water; fish hang along the edge at the depth they like.
- 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 7:21 am · sunset 5:08 pm · waxing crescent moon (lake time).
Towns and places to stay near American Falls Reservoir
- American Fallson the shore
- Aberdeenabout 2.4 mi west
- Tyheeabout 6.4 mi east
- Chubbuckabout 7.1 mi east
- Pocatellonearest city, about 10 mi east
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Questions about American Falls Reservoir
What fish are in American Falls Reservoir?
Lakes like American Falls Reservoir usually hold largemouth bass, walleye, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is American Falls 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 American Falls Reservoir?
About 49,200 acres, with about 80 miles of shoreline.
What town is near American Falls Reservoir?
American Falls is on the shore; Aberdeen is about 2.4 miles west.
What is the water temperature at American Falls Reservoir today?
The surface was about 48°F on the latest clear reading. The page updates every day.
American Falls Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.