Can you reserve a site at Warm River?

Yes, Warm River is reservable through Recreation.gov.

How many campsites does Warm River have?

37 sites in total, of which 24 can be booked.

What is the maximum RV length at Warm River?

45 ft. That is the longest vehicle the sites here are recorded as taking; individual sites may be shorter.

Warm River, Idaho — 24 sites, fees and cancellation alerts

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.

The facts

Season: May — USDA Forest Service, Aug 24, 2026
24 bookable sites
37 sites in total, including non-bookable
9 accessible sites
Vehicles up to 45 ft
Up to 100 people per site
Loops: GRP, MANAGEMENT SITES, SING, TENT, WARM

Site types

13 Management
12 Standard Nonelectric
10 Tent Only Nonelectric
1 Group Standard Nonelectric
1 Standard Electric

Amenities

Electric hookups
Water hookups
Shade

Not recorded upstream: sewer hookups, campfires allowed, fire pits, picnic tables, grills, pets allowed.

Book on Recreation.gov

37 campsites at Warm River

Check-in 2:00 PM · Check-out 12:00 PM

Accessible only

Site	Loop	Type	Entry	Surface	Max rig	People
GS-1	GRP	Group Standard Nonelectric	Back In	Gravel	25 ft	100
XXX	MANAGEMENT SITES	Management	Back In	Gravel	40 ft	8	♿
XXX1	MANAGEMENT SITES	Management	—	—	—	—
XXX10	MANAGEMENT SITES	Management	—	—	—	—
XXX11	MANAGEMENT SITES	Management	—	—	—	—
XXX2	MANAGEMENT SITES	Management	—	—	—	—
XXX3	MANAGEMENT SITES	Management	—	—	—	—
XXX4	MANAGEMENT SITES	Management	—	—	—	—
XXX5	MANAGEMENT SITES	Management	—	—	—	—
XXX6	MANAGEMENT SITES	Management	—	—	—	—
XXX7	MANAGEMENT SITES	Management	—	—	—	—
XXX8	MANAGEMENT SITES	Management	—	—	—	—
XXX9	MANAGEMENT SITES	Management	—	—	—	—
001	SING	Standard Nonelectric	Back In	Paved	40 ft	8
002	SING	Standard Nonelectric	Back In	Paved	40 ft	8
003	SING	Standard Nonelectric	Back In	Gravel	35 ft	8
004	SING	Standard Nonelectric	Back In	Paved	45 ft	8
005	SING	Standard Nonelectric	Back In	Paved	40 ft	8
006	SING	Standard Nonelectric	Back In	Paved	40 ft	8
022	SING	Standard Nonelectric	Back In	Gravel	30 ft	8	♿
023	SING	Standard Nonelectric	Back In	Paved	30 ft	8	♿
024	SING	Standard Nonelectric	Back In	Gravel	30 ft	8	♿
025	SING	Standard Nonelectric	Back In	Gravel	30 ft	8	♿
026	SING	Management	Back In	Gravel	30 ft	8	♿
027	SING	Standard Electric	Back In	Paved	30 ft	8	♿
007	TENT	Tent Only Nonelectric	—	—	40 ft	8
008	TENT	Tent Only Nonelectric	—	—	40 ft	8
009	TENT	Tent Only Nonelectric	—	—	40 ft	8
012	TENT	Tent Only Nonelectric	—	—	40 ft	8
013	TENT	Tent Only Nonelectric	—	—	40 ft	8
014	TENT	Tent Only Nonelectric	—	—	40 ft	8
015	TENT	Tent Only Nonelectric	—	—	40 ft	8
016	TENT	Tent Only Nonelectric	—	—	40 ft	16
017	TENT	Tent Only Nonelectric	—	—	40 ft	16
018	TENT	Tent Only Nonelectric	—	—	40 ft	8
019	WARM	Standard Nonelectric	Back In	Paved	30 ft	16	♿
020	WARM	Standard Nonelectric	Back In	Paved	30 ft	16	♿

Getting there

From Ashton, Idaho, travel northeast on Highway 47 to Warm River. Turn right onto Fish Creek Road and continue 1/4-mile to the campground entrance.

44.12000, -111.31361 · 44°7'12.0"N 111°18'49.0"W

Directions (Google Maps) · Directions (Apple Maps)

Typical weather

Typically 83°F in Aug, down to 29°F in Jan.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
High °F	29	33	42	54	65	73	83	83	73	57	40	29
Low °F	13	17	25	31	40	46	51	49	42	32	23	15
Precip in	2.3	1.5	1.3	1.7	2.2	2.1	0.6	0.8	1.2	1.6	1.9	2.3

1991–2020 averages from the nearest NOAA station, 7.9 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.

Map

Common questions about Warm River

Can you reserve a site at Warm River?: Yes, Warm River is reservable through Recreation.gov.
How many campsites does Warm River have?: 37 sites in total, of which 24 can be booked.
What is the maximum RV length at Warm River?: 45 ft. That is the longest vehicle the sites here are recorded as taking; individual sites may be shorter.
Does Warm River have hookups?: Electric, Water.

Also listed by

Warm River also appears in other federal recreation data. Facts below are matched by name and location, not confirmed by Warm River's operator.

USDA Forest Service — data as of Aug 24, 2026

Single Site $ 25.00
Double Site $ 50.00
Single Site (electric/water) $31.00
Group Area (Sun.-Thurs.) $100.00
Group Area (Fri.-Sat.) $200.00
Extra Vehicle (ea.) $ 7.00

USDA Forest Service's own page

Camping near Warm River

Grandview Campground (Idaho) 3.8 mi · Campground · we watch it
Warm River Cabin 6.7 mi · Campground · we watch it
Riverside (Id - Targhee) 12.4 mi · Campground · we watch it
Squirrel Meadows Cabin 15 mi · Campground · we watch it
Bishop Mountain Cabin 18.9 mi · Campground · we watch it
Buffalo (Idaho) 21.3 mi · Campground · we watch it
Pole Bridge 10 mi · Campground
Riverside Campground 12.4 mi · Campground
Cave Falls Campground 14.8 mi · Campground
Squirrel Meadows Guard Station 15 mi · Campground
Box Canyon Campground 19.2 mi · Campground
West End Campground 20.4 mi · Campground

Contact

Phone 208-558-7658
Book Recreation.gov

Recreation.gov last updated this record on 2026-02-25.

Warm River