Warm River
Sold out? Sites at Warm River open up when campers cancel.
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About Warm River
Warm River is a national park campground at Caribou-Targhee National Forest in Fremont County, Idaho. Reservations are managed through Recreation.gov. When a booked site here is cancelled it can vanish within minutes, so Campsite Tonight monitors it 24/7 and auto-adds the opening to your Recreation.gov cart before anyone else.
Warm River is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 45 ft.
Other campgrounds at Caribou-Targhee National Forest include Grandview Campground (Idaho), Warm River Cabin, Riverside (id - Targhee), Squirrel Meadows Cabin and Bishop Mountain Cabin.
Total reservations in May — 2023: 66 · 2024: 64 · 2025: 63
Location
Address
Ashton, Idaho
Coordinates
44.1200, -111.3136
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •June sees 148 reservations - book early or set cancellation alerts.
Nearby Campgrounds
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Grandview Campground (Idaho)
Caribou-Targhee National Forest
Warm River Cabin
Caribou-Targhee National Forest
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Riverside (id - Targhee)
Caribou-Targhee National Forest
Squirrel Meadows Cabin
Caribou-Targhee National Forest
Bishop Mountain Cabin
Caribou-Targhee National Forest
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Buffalo (idaho)
Caribou-Targhee National Forest
Photos
Warm River FAQ
How far in advance should I book Warm River?
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.
What is the busiest time at Warm River?
June typically sees the highest reservation activity at Warm River. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Warm River right now?
Warm River is currently fully booked for the next 14 days. However, cancellations happen frequently - download the Campsite Tonight app to get instant alerts when sites become available.
Where is Warm River located?
Warm River is located in Caribou-Targhee National Forest, near Ashton, Idaho.
Track Availability at Warm River
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