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American Falls Reservoir

Boat Ramps
3
Access Points
3
Species
15

American Falls Reservoir is a vast 55,290-acre body of water located in southeast Idaho at an elevation of 4,000 feet. This impressive reservoir covers parts of Bannock, Bingham, and Power counties, offering anglers over 100 miles of shoreline to explore. Created in 1927 by the construction of the American Falls Dam on the Snake River, this large impoundment has become a popular fishing destination known for its diverse fish population and year-round fishing opportunities. With its scenic surroundings and abundant fish, American Falls Reservoir provides excellent fishing for both novice and experienced anglers alike.

Fish stocking schedule

Latest 5 stockings

  • Rainbow Trout1,000 fish · 13.0 inNov 6, 2026
  • Rainbow Trout1,076 fish · Catchable sizeNov 6, 2026
  • Rainbow Trout2,000 fish · 13.0 inNov 5, 2026
  • Rainbow Trout37,068 fish · 4.5 inOct 30, 2026
  • Rainbow Trout36,879 fish · 4.5 inOct 30, 2026

Source

Idaho Department of Fish and Game

Updated Nov 14, 2026. Sizes are the length the agency reports. Dates are as precise as the agency reports them.

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Fishing spots, boat ramps & amenities

Learn how to get on American Falls Reservoir. Uncover great fishing access points, boat ramps, and all the facilities you need for an unforgettable day on the water. Some locations shown may border or include private property. Always check property boundaries and applicable regulations before visiting. onWater's Public & Private Land layer can help you plan your access with confidence.

Sportsman Park Boat Ramp

Sportsman Park Boat Ramp

Boat Ramp
Willow Bay Park Boat Ramp

Willow Bay Park Boat Ramp

Boat Ramp
Westside Boat Ramp

Westside Boat Ramp

Boat Ramp

Know where you can legally fish on American Falls Reservoir

See public and private land boundaries along the water, turn on private parcels with owner details to know where permission is required, and find land-trust parcels that offer permitted fishing access.

Idaho licenses and regulations

Idaho Boating Regulations

When using any type of watercraft to access a body of water, it is important to follow all federal, state, and local rules and regulations. These rules and regulations include boat permitting and licensing, invasive species inspections and stamps, life jacket and PFD rules, motor size and horsepower restrictions, noise limitations, restrictions on personal watercraft, and many more. Visit the web link below for the most current rules and regulations for this body of water.

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Idaho Fishing License

"To fish in Idaho any person 14 years of age or older must have a valid fishing license. Anglers younger than 14 do not need a license, but there is a small difference between resident and nonresident youth. -A resident child under 14 has their own separate fishing limit. -A nonresident child under 14 must be with someone who has a valid fishing license and their fish are in included in the license holders fishing limit. However, a nonresident child may purchase their own license and have their own limit. Special fishing permits are need for some activities for both residents and nonresidents: -Fishing for salmon and steelhead -Fishing with two poles."

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Idaho Fishing Regulations

This river has a variety of species and regulations, including potential floating and/or watercraft restrictions. Because this river is specially managed for species, seasons, angling methods, and watercraft, it is strongly encouraged you check all federal, state, and local regulations before fishing. Visit any of the links below, inquire locally, or contact a local fly shop to learn current regulations and restrictions.

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Idaho Stream Access Laws

Navigable streams are recognized as public transportation corridors, thus members of the public have the right to use the corridor, provided they enter and exit the corridor at a public right of way and remain within the corridor. Many navigable streams flow through private property, thus it is important that anglers know their rights and responsibilities when fishing in navigable waters that flow through private property.

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Take American Falls Reservoir with you

The onWater Fish app keeps this water's access points, species and conditions in your pocket, with the tools you use once you're there.

  • Use the map without signal

    Download the map around American Falls Reservoir to use it offline when coverage drops.

  • Log your catches here

    Keep a private fishing journal for American Falls Reservoir to find where and when fish are biting for you.

  • HD depth charts from Garmin

    Find drop offs, ledges, channels, points and shallow flats with Garmin depth charts in the app.

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Water and weather conditions (10 day forecast)

See the best times to fish American Falls Reservoir and check the forecast before you go.

No forecast data available.

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