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Fishing regulations at Twin Falls Reservoir, ID
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 Smallmouth bass as of April 13th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Smallmouth bass
Seasons
Open
Bag limit
6
Min size
12"
Measurement
Total Length
Aggregate
6
Daily bag limits apply to all waters of the Magic Valley Region except as modified in Magic Valley Region Special Rule Waters. The possession limit is 3-times the daily bag limit.All waters open all year except as modified in Magic Valley Region Special Rule WatersFor more information please see https://idfg.idaho.gov/rules/fish p 25-27
For more information please see https://idfg.idaho.gov/rules/fish (See Pages 25-27 for details)
Special Rule Waters for the Magic Valley Region
Anderson Ranch Reservoir- Kokanee limit is 15 per day
- Trout limit is 2
- trout limit is 6
- closed to fishing
- Bass limit is 6, any size
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 2, none between 12 and 16 inches
- trout limit is 0
- catch-and-release
- no bait allowed
- one barbless hook per fly or lure
- closed to fishing
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- closed to fishing
- trout limit is 6, fly-fishing only, no bait allowed
- Magic Valley Region general rules apply
- Trout limit is 2, none under 14 inches
- No bait allowed, one barbless hook per fly or lure
- Magic Valley Region general rules apply
- Trout limit is 2
- Electric motors only
- Bass limit is 2
- none under 20 inches
- Electric motors only Devils Corral Creek
- Trout limit is 2
- Trout limit is 2
- closed to fishing
- trout limit is 2
- No motors
- closed to fishing
- closed to fishing
- closed to fishing
- Bass limit is 2, any size
- Trout limit is 6, only 2 may be Cutthroat Trout
- Trout limit is 0, catch-and-release
- Fly-fishing only, barbless hooks required
- Trout limit is 2
- Magic Valley Region general rules apply
- Bass limit is 6, any size
- trout limit is 0, catch-and- release
- Closed to fishing
- Magic Valley Region general rules apply
- Trout limit is 2
- Walleye limit is 6, only 1 over 20 inches
- No motors.
- All diversion ponds have the same rules as the connected stream.
- Magic Valley Region general rules apply
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 2, none between 12 and 16 inches
- No fishing from rafts or boats; float tubes are allowed
- closed to fishing
- trout limit is 0, catch-and-release, fly-fishing only, no bait allowed, one barbless hook per fly
- No fishing from rafts or boats; float tubes are allowed
- closed to fishing
- Saturday of Memorial Day weekend through November 30
- trout limit is 0, catch-and-release, fly-fishing only, no bait allowed, one barbless hook per fly
- No motors.
- All diversion ponds have the same rules as the connected stream
- No fishing from rafts or boats; float tubes are allowed
- closed to fishing
- trout limit is 0
- catch-and-release
- fly-fishing only
- no bait allowed
- one barbless hook per fly
- closed to fishing
- trout limit is 2
- closed to fishing
- bass limit is 0, catch- and-release
- bass limit is 2, none between 12 and 16 inches
- Bass limit is 2, any size
- Trout limit is 6, only 2 may be Cutthroat Trout
- Magic Valley Region general rules apply
- closed to fishing
- trout limit is 6
- closed to fishing
- trout limit is 2
- No motors
- trout limit is 0, catch-and-release
- trout limit is 2
- Trout limit is 2
For more information please see https://idfg.idaho.gov/rules/fish (See Pages 25-27 for details)
Micropterus dolomieui
Daily bag limits apply to all waters of the Magic Valley Region except as modified in Magic Valley Region Special Rule Waters. The possession limit is 3-times the daily bag limit.All waters open all year except as modified in Magic Valley Region Special Rule WatersFor more information please see https://idfg.idaho.gov/rules/fish p 25-27
For more information please see https://idfg.idaho.gov/rules/fish (See Pages 25-27 for details)
Special Rule Waters for the Magic Valley Region
Anderson Ranch Reservoir- Kokanee limit is 15 per day
- Trout limit is 2
- trout limit is 6
- closed to fishing
- Bass limit is 6, any size
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 2, none between 12 and 16 inches
- trout limit is 0
- catch-and-release
- no bait allowed
- one barbless hook per fly or lure
- closed to fishing
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- closed to fishing
- trout limit is 6, fly-fishing only, no bait allowed
- Magic Valley Region general rules apply
- Trout limit is 2, none under 14 inches
- No bait allowed, one barbless hook per fly or lure
- Magic Valley Region general rules apply
- Trout limit is 2
- Electric motors only
- Bass limit is 2
- none under 20 inches
- Electric motors only Devils Corral Creek
- Trout limit is 2
- Trout limit is 2
- closed to fishing
- trout limit is 2
- No motors
- closed to fishing
- closed to fishing
- closed to fishing
- Bass limit is 2, any size
- Trout limit is 6, only 2 may be Cutthroat Trout
- Trout limit is 0, catch-and-release
- Fly-fishing only, barbless hooks required
- Trout limit is 2
- Magic Valley Region general rules apply
- Bass limit is 6, any size
- trout limit is 0, catch-and- release
- Closed to fishing
- Magic Valley Region general rules apply
- Trout limit is 2
- Walleye limit is 6, only 1 over 20 inches
- No motors.
- All diversion ponds have the same rules as the connected stream.
- Magic Valley Region general rules apply
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 6
- trout limit is 0, catch-and-release
- closed to fishing
- trout limit is 2, none between 12 and 16 inches
- No fishing from rafts or boats; float tubes are allowed
- closed to fishing
- trout limit is 0, catch-and-release, fly-fishing only, no bait allowed, one barbless hook per fly
- No fishing from rafts or boats; float tubes are allowed
- closed to fishing
- Saturday of Memorial Day weekend through November 30
- trout limit is 0, catch-and-release, fly-fishing only, no bait allowed, one barbless hook per fly
- No motors.
- All diversion ponds have the same rules as the connected stream
- No fishing from rafts or boats; float tubes are allowed
- closed to fishing
- trout limit is 0
- catch-and-release
- fly-fishing only
- no bait allowed
- one barbless hook per fly
- closed to fishing
- trout limit is 2
- closed to fishing
- bass limit is 0, catch- and-release
- bass limit is 2, none between 12 and 16 inches
- Bass limit is 2, any size
- Trout limit is 6, only 2 may be Cutthroat Trout
- Magic Valley Region general rules apply
- closed to fishing
- trout limit is 6
- closed to fishing
- trout limit is 2
- No motors
- trout limit is 0, catch-and-release
- trout limit is 2
- Trout limit is 2
For more information please see https://idfg.idaho.gov/rules/fish (See Pages 25-27 for details)
Regulations for
42°34′56.4″N 114°20′28.8″W
FAQ about Twin Falls Reservoir fishing
Twin Falls Reservoir is a lake located in Jerome County, Idaho, United States. It is also intersecting with Twin Falls County, Idaho. Its coordinates are:
42°34′56.4″N 114°20′28.8″W
.Find the best fishing spots on Twin Falls Reservoir by looking at where other anglers have caught fish. This can easily be done in the where it is also possible to see big fish potential and how good fishing is right now along with Garmin® depth maps.
The most common species in Twin Falls Reservoir are:
- Smallmouth bass - 18 members reported to have caught this fish
- Yellow perch - 4 members reported to have caught this fish
- Largemouth bass - 4 members reported to have caught this fish
The latest Twin Falls Reservoir fishing reports are:
- @cameronrivera1521 reported a nice Largemouth bass.
- @mattt2144 reported a nice Smallmouth bass.
- @mattt2144 reported a nice Brown trout.
- @ReelEmInFish reported a nice Smallmouth bass.
- @official.ruben reported a nice Smallmouth bass.
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