Fishing in American Falls, ID
Best fishing spots in American Falls, ID
Want trophy-size catches? These American Falls spots deliver
Scan the QR code to download the app!
Top fish species in American Falls
Latest American Falls fishing reports
Rainbow trout
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
Smallmouth bass
Snake River (American Falls Res. - Lake Walcott)
length · weight
More catches in the app...
Continue browsing catches and catch locations in the Fishbrain app
Scan the QR code to download the app!
About American Falls fishing
Check out the best fishing spots in and around American Falls, Idaho. Anglers using Fishbrain have logged: 494 catches for Rainbow trout, 423 catches for Smallmouth bass, and 75 catches for Largemouth bass.
Unlock fishing secrets in the app
Discover the best time to fish by species in your area with Bitetime™
Fishing regulations in American Falls
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Idaho can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Rainbow trout as of May 11th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Rainbow trout
Seasons
Open
Bag limit
6
Aggregate
6
Daily bag limits apply to all waters of the Southeast Region except as modified in Southeast Region Special Rule Waters. The possession limit is 3-times the daily bag limit.All waters open all year except as modified in Southeast Region Special Rule WatersFor more information please see https://idfg.idaho.gov/rules/fish p 31-32
For more information please see https://idfg.idaho.gov/rules/fish
Special Rule Waters for the Southeast Region
American Falls ReservoirBass limit is 2, any sizeBear Lake- From the mouth of St. Charles Creek (Little Creek) for a radius of 300 yards into the lake is closed to fishing from April 16 through June 30
- Not more than 2 baited hooks, flies, or lures per line
- One line only when ice fishing. Two lines permitted when ice fishing with a two-pole permit
- Trout limit is 2
- Cisco limit is 30; dip-netting permitted January 1 through February 15. Dip nets may not exceed 18 inches in any dimension. Any size hole may be cut through the ice to catch cisco
- Whitefish limit is 10
- Trout limit is 2, no harvest of Cutthroat Trout
- Bass limit is 6, any size
- Trout limit is 6, no harvest of Cutthroat Trout
- Trout limit is 6, no harvest of Cutthroat Trout
- Trout limit is 6, no harvest of Cutthroat Trout No size, bag, or possession limits on bass
- Southeast Region general rules apply
- Upstream from Blackfoot Reservoir (includes: Diamond Creek, Lanes Creek, Slug Creek and tributaries)
- December 1 through June 30 - closed to fishing
- July 1 through November 30 - trout limit is 6, no harvest of Cutthroat Trout, no bait allowed, barbless hooks required
- Trout limit is 2
- Bass limit is 2, none under 20 inches
- Trout limit is 2, none under 20 inches
- One line only when ice fishing
- No bait allowed, barbless hooks required
- Trout limit is 6, only 2 may be Cutthroat Trout No size, bag or possession limits on Bass
- December 1 through June 30 - closed to fishing
- July 1 through November 30 - Southeast Region general rules apply
- Southeast Region general rules apply
- December 1 through June 14 - closed to fishing
- June 15 through November 30 - Southeast Region general rules apply
- contact Shoshone-Bannock Tribal Office
- Phone: (208) 236-1137
- https://www.sbtribes.com/fish-and-game/
- Bass limit is 2, none under 16 inches
- Trout limit is 6, no harvest of Cutthroat Trout
- Trout limit is 6, no harvest of Cutthroat Trout Montpelier Reservoir - Electric motors only
- Walleye limit is 6
- Bass limit is 6, any size
- trout limit is 0
- catch-and-release
- no bait allowed
- barbless hooks required
- trout limit is 6
- no harvest of Cutthroat Trout
- Southeast Region general rules apply
- contact Shoshone-Bannock Tribal Office
- Phone: (208) 236-1137
- https://www.sbtribes.com/fish-and-game/
- closed to fishing
- Southeast Region general rules apply
- Southeast Region general rules apply
- Bass limit is 2, any size
- Trout limit is 6, only 2 may be Cutthroat Trout
- trout limit is 0, catch-and-release
- trout limit is 2
- Trout limit is 6
- only 2 may be Cutthroat Trout Bass limit is 2
- any size
- Trout limit is 2
- none under 20 inches
- One line only when ice fishing
- No bait allowed
- barbless hooks required
- Trout limit is 2
- none under 20 inches
- No size, bag or possession limits on bass One line only when ice fishing
- No bait allowed
- barbless hooks required
- No motors
- Trout limit is 2
- none under 20 inches
- One line only when ice fishing
- No bait allowed
- barbless hooks required
For more information please see https://idfg.idaho.gov/rules/fish
Trout includes Brown Trout, Lake Trout, Cutthroat Trout, Rainbow Trout, and trout hybrids (e.g. Tiger Trout).
• Trout limit is 6, all species combined
• In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout
Does not include Brook Trout which are listed separately
For more information please see https://idfg.idaho.gov/rules/fish
Excellent
Oncorhynchus mykiss
Daily bag limits apply to all waters of the Southeast Region except as modified in Southeast Region Special Rule Waters. The possession limit is 3-times the daily bag limit.All waters open all year except as modified in Southeast Region Special Rule WatersFor more information please see https://idfg.idaho.gov/rules/fish p 31-32
For more information please see https://idfg.idaho.gov/rules/fish
Special Rule Waters for the Southeast Region
American Falls ReservoirBass limit is 2, any sizeBear Lake- From the mouth of St. Charles Creek (Little Creek) for a radius of 300 yards into the lake is closed to fishing from April 16 through June 30
- Not more than 2 baited hooks, flies, or lures per line
- One line only when ice fishing. Two lines permitted when ice fishing with a two-pole permit
- Trout limit is 2
- Cisco limit is 30; dip-netting permitted January 1 through February 15. Dip nets may not exceed 18 inches in any dimension. Any size hole may be cut through the ice to catch cisco
- Whitefish limit is 10
- Trout limit is 2, no harvest of Cutthroat Trout
- Bass limit is 6, any size
- Trout limit is 6, no harvest of Cutthroat Trout
- Trout limit is 6, no harvest of Cutthroat Trout
- Trout limit is 6, no harvest of Cutthroat Trout No size, bag, or possession limits on bass
- Southeast Region general rules apply
- Upstream from Blackfoot Reservoir (includes: Diamond Creek, Lanes Creek, Slug Creek and tributaries)
- December 1 through June 30 - closed to fishing
- July 1 through November 30 - trout limit is 6, no harvest of Cutthroat Trout, no bait allowed, barbless hooks required
- Trout limit is 2
- Bass limit is 2, none under 20 inches
- Trout limit is 2, none under 20 inches
- One line only when ice fishing
- No bait allowed, barbless hooks required
- Trout limit is 6, only 2 may be Cutthroat Trout No size, bag or possession limits on Bass
- December 1 through June 30 - closed to fishing
- July 1 through November 30 - Southeast Region general rules apply
- Southeast Region general rules apply
- December 1 through June 14 - closed to fishing
- June 15 through November 30 - Southeast Region general rules apply
- contact Shoshone-Bannock Tribal Office
- Phone: (208) 236-1137
- https://www.sbtribes.com/fish-and-game/
- Bass limit is 2, none under 16 inches
- Trout limit is 6, no harvest of Cutthroat Trout
- Trout limit is 6, no harvest of Cutthroat Trout Montpelier Reservoir - Electric motors only
- Walleye limit is 6
- Bass limit is 6, any size
- trout limit is 0
- catch-and-release
- no bait allowed
- barbless hooks required
- trout limit is 6
- no harvest of Cutthroat Trout
- Southeast Region general rules apply
- contact Shoshone-Bannock Tribal Office
- Phone: (208) 236-1137
- https://www.sbtribes.com/fish-and-game/
- closed to fishing
- Southeast Region general rules apply
- Southeast Region general rules apply
- Bass limit is 2, any size
- Trout limit is 6, only 2 may be Cutthroat Trout
- trout limit is 0, catch-and-release
- trout limit is 2
- Trout limit is 6
- only 2 may be Cutthroat Trout Bass limit is 2
- any size
- Trout limit is 2
- none under 20 inches
- One line only when ice fishing
- No bait allowed
- barbless hooks required
- Trout limit is 2
- none under 20 inches
- No size, bag or possession limits on bass One line only when ice fishing
- No bait allowed
- barbless hooks required
- No motors
- Trout limit is 2
- none under 20 inches
- One line only when ice fishing
- No bait allowed
- barbless hooks required
For more information please see https://idfg.idaho.gov/rules/fish
Regulations for
42°46′58.1″N 112°51′14.8″W
Regulations in the map
Download Fishbrain and fish smarter
Download Fishbrain and fish smarter
Unlimited access to the best fishing spot finder in the game. Get all the fishing intel you need to start catching more, and bigger, fish.
Free trial available
FAQ about American Falls fishing
Anglers in American Falls, ID recommend these top fishing spots: Snake River (American Falls Res. - Lake Walcott), American Falls Reservoir, and Big Hole.
Most commonly caught species around American Falls, ID:
- Rainbow trout - 494 reported catches
- Smallmouth bass - 423 reported catches
- Largemouth bass - 75 reported catches
- Common carp - 51 reported catches
- Mirror carp - 50 reported catches
The latest American Falls, ID fishing reports are:
- @brichristiansen reported a nice Arctic grayling at Edson Fichter Pond.
- @Pixels_Pax reported a nice Largemouth bass at Edson Fichter Pond.
- @brichristiansen reported a nice Rainbow trout.
- @IvanTheFishingFreak reported a nice Smallmouth bass at Snake River (American Falls Res. - Lake Walcott).
- @IvanTheFishingFreak reported a nice Smallmouth bass at Snake River (American Falls Res. - Lake Walcott).
Download the and see today's Fishing and Weather Forecast for American Falls, ID. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities:
- Plan smarter: Get hour-by-hour fishing weather conditions.
- Fish at peak times: Use BiteTime™ predictions to maximize catches.
- Stay ahead of the weather: Get hyper-local, real-time updates.
The biggest Rainbow trout (by length) reported in American Falls, ID was a 6 ft / 6 lbs caught by Fishbrain user @Pyro78dj at McTucker Creek on November 9, 2019.
The biggest Smallmouth bass (by length) reported in American Falls, ID was a 2 ft / 7 lbs caught by Fishbrain user @Brobasshunter67 at American Falls Reservoir on May 10, 2025.
Other cities near American Falls
Aberdeen
11.2 miles away
Rockland
14.5 miles away
Arbon Valley
14.9 miles away
Pocatello
20.7 miles away
Chubbuck
22.2 miles away
Inkom
30.9 miles away
Minidoka
32.3 miles away
McCammon
34.9 miles away
Blackfoot
38.3 miles away
Malta
42.0 miles away
Rupert
43.1 miles away
Declo
43.4 miles away
Downey
44.5 miles away
Albion
45.0 miles away
Bancroft
49.4 miles away
Basalt
50.6 miles away
Burley
50.6 miles away
Malad City
51.2 miles away
Shelley
55.2 miles away
Oxford
55.8 miles away
Idaho Falls
63.8 miles away
Portage
64.0 miles away
Oakley
64.3 miles away
Dayton
64.4 miles away
Explore more