USDA Forest Service · Idaho

Warm River

USDA Forest Service · Idaho, United States

Open on the map Drive there Reserve Official page Directions
Sites
37
Hookups
1 electric, 2 with water, 23 no hookups
Season
May 14 to September 29
Max RV length
45 ft
Group sites
Yes
Drinking water
Yes
Restrooms
Yes
Elevation
5,430 ft
Dark sky
Bortle class 1
Cell coverage
T-Mobile weak · AT&T weak · Verizon weak (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
Access road
WARM RIVER CG SPUR (NFSR 20097-A) · bituminous surface treatment · high degree of user comfort
Lake
Caribou-Targhee National Forest
Nearest town
ASHTON
Address
TARGHEE NATIONAL FOREST, ASHTON, ID
Phone
208-558-7658
Activities
Biking, Camping, Canoeing, Fishing, Hiking, Tubing

25 numbered sites are mapped one by one - open the site map to pick yours.

About

Overview

Warm River Campground is located on its namesake in the Caribou-Targhee National Forest of southwestern Idaho. Visitors love the campground for its river tubing opportunities. Fishing and hiking are popular as well.

Recreation

Warm River is a popular location for tubing and fishing. Anglers cast for whitefish, brook, rainbow and cutthroat trout.

Numerous hiking, mountain biking and horseback riding trails are in the immediate area, leading to natural springs, waterfalls and old railroad lines and tunnels.

Facilities

The campground offers one large group site that can accommodate up to 100 guests. Several single sites are also available, 11 of which are for tent camping only.

Vault toilets, drinking water and trash collection are provided. Firewood is available for purchase from the host.

Natural Features

The campground is situated along the slow-moving Warm River at an elevation of 5,200 feet. Thickets of willow line the riverbanks and pine trees offer partial shade.

Nearby Attractions

Ashton, Idaho, about 9 miles away, offers gas and grocery services.

Island Park is nearby, with numerous lakes, rivers, streams and trails, offering plentiful outdoor activities for visitors of all ages.

Yellowstone and Grand Teton National Parks are within a couple hour's drive as well, with outstanding scenery and wildlife.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January27°8°-16°38°11 of 11
February30°16°-10°47°11 of 11
March40°23°8°60°11 of 11
April45°27°4°66°10 of 11
May62°35°27°73°6 of 11
June71°46°33°87°0 of 11
July84°55°42°94°0 of 11
August82°54°46°91°0 of 11
September72°46°35°82°0 of 11
October55°33°16°74°8 of 10
November41°22°-4°59°10 of 10
December29°10°1°43°10 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in Idaho · Every state and province · Facts read from the operator 2026-02-25. Confirm fees, rules and current status with the operator before you go.