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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)

Caution

48°F water, windy Friday (17 mph S).

Water48°F
Level—no gauge
Wind today23 mphWSW
Best bite3:45 pmto 5:45 pm

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

1 5 miles N
Spot 1 is open for everyone; grey dots are the PRO spots.

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.

  • Fair
    Largemouth bass

    Cooling down. Try slow baits on points and deeper channel edges.

  • Good
    Walleye

    Good cool-water bite, best at dusk and after dark.

  • Fair
    Crappie

    Schooled on deeper brush piles. Fish small jigs slowly.

  • Slow
    Bluegill and sunfish

    Cold. Deep and hard to tempt. Use tiny baits.

  • Slow
    Catfish

    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

  1. 1
    Steep ledge

    A sharp wall beside deep water; fish hang along the edge at the depth they like.

  2. 2
  3. 3
  4. 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

48°F

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

Saturday 51° / 45° 23 mph WSW Partly Sunny · 59% rain
Sunday 53° / 38° 8 mph SSE Mostly Sunny

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.

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