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Twentyfour Mile Reservoir

Boat Ramps
0
Access Points
0
Species
2

Twentyfour Mile Reservoir is a small 42.7-acre reservoir located in Caribou County, Idaho, managed as a trophy trout fishery. This designated trophy water is part of Idaho Fish and Game's Southeast Region and flows into Twentyfour Mile Creek. The reservoir is managed under special regulations requiring a 2-trout limit with a 20-inch minimum size, making it one of Idaho's premier trophy trout destinations. Motors are prohibited on this waterbody, creating a peaceful fishing environment focused on quality over quantity.

Species & education

Learn what type of fish are at Twentyfour Mile Reservoir and what's needed to catch them.

Find which waters have the species you want to catch

Rainbow Trout

Rainbow Trout

Oncorhynchus mykiss

Cutthroat Trout

Cutthroat Trout

Oncorhynchus clarkii

Fish stocking schedule

Latest 5 stockings

  • Cutbow3,980 fish · 1.5 inJun 18, 2026
  • Rainbow Trout3,933 fish · 4.5 inMay 26, 2026
  • Rainbow Trout1,254 fish · 4.5 inMay 26, 2026
  • Cutbow4,127 fish · 1.5 inJun 30, 2025
  • Rainbow Trout3,321 fish · Catchable sizeJun 2, 2025

Source

Idaho Department of Fish and Game

Updated Nov 13, 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 Twentyfour Mile 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.

Trail Creek Bridge Campground

Trail Creek Bridge Campground

Campsite
Morgans Bridge Campground

Morgans Bridge Campground

Campsite

Know where you can legally fish on Twentyfour Mile 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 Twentyfour Mile 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 Twentyfour Mile Reservoir to use it offline when coverage drops.

  • Log your catches here

    Keep a private fishing journal for Twentyfour Mile 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 Twentyfour Mile Reservoir and check the forecast before you go.

No forecast data available.

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