Openings · last 7 days
3
Booking reality
Campsite Sniper detected 3 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-232223
When Warm River reopens
Warm River's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
7
Openings · last 90 days
7
Only 7 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
02 · Availability Outlook · Sep 18 – Sep 27, 2026 · of 24 monitored sites
Of the 240 tracked site-nights (Sep 18 – Sep 27, 2026): 31 open for online reservation · 63 reserved · 146 on sites not offered for online reservation (first-come, first-served or administrative). Of the facility's 24 monitored sites, 11 can be reserved online and 13 are first-come, first-served.
Where the open windows are
87.1% of tracked site-nights are not currently open for online reservation. 31 of 240 remain open; here is where they are.
Load status
Sep 18 – Sep 27, 2026Not open online87.1%
Open site-nights31 / 240
Reserved (of online inventory)63 / 94
Weekday openings23
Weekend openings8
Of the open site-nights on mapped sites, 23 fall on weekdays and 8 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Sep 2026September holds the most room. 31 of 240 site-nights are still open there.
Holiday windows
Sites open per night · of 24 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open |
Labor Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 015 | 5 |
| 017 | 5 |
| 018 | 5 |
| 016 | 4 |
| 020 | 4 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Sep 18, 2026 snapshotNext open dateMon · Sep 21
The next bookable night is Sep 21. Campsite Sniper can watch later dates for you.
Stays and site detail
31 open site-nights across 9 sites at Warm River, from the same hourly snapshot as everything above.
Multi-night stays. 6 2-night, 6 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 21 at site 015.
RV length. Longest recorded site here is 45 ft. 24 sites take 25 ft, 16 sites take 35 ft, 15 sites take 40 ft.
All 9 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 015 | 40 ft | None | 5 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27 |
| 017 | 40 ft | None | 5 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27 |
| 018 | 40 ft | None | 5 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27 |
| 016 | 40 ft | None | 4 | 3 nights | Sep 21, Sep 22, Sep 23, Sep 27 |
| 020 | 30 ft | None | 4 | 3 nights | Sep 22, Sep 23, Sep 24, Sep 27 |
| 023 | 30 ft | None | 4 | 3 nights | Sep 21, Sep 22, Sep 23, Sep 27 |
| GS-1 | 25 ft | None | 2 | 1 night | Sep 21, Sep 27 |
| 002 | 40 ft | None | 1 | 1 night | Sep 27 |
| 004 | 45 ft | None | 1 | 1 night | Sep 23 |
About Warm River
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.
24 monitored sites13 FCFS sitesRVs up to 45 ft1 with hookups14 shadedMax party 100
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.
Targhee National Forest, Ashton, ID208-558-7658
BikingBoatingCampingFishingHikingWater Sports
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-232223 · facility
Photo gallery
Roll CS-232223 · Warm River · Ashton ID6 frames · facility
FAQ
How do I get a reservation at Warm River?
Reservations for Warm River are made through Recreation.gov. 87.1% of tracked site-nights are not currently open for online reservation; 31 of 240 remain open. Campsite Sniper has also detected 7 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Sep 18, 2026 15:19 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
How often do new openings appear at Warm River?
Campsite Sniper detected 3 site-date openings at Warm River in the last 7 days, 7 over 30 days and 7 over the last 90.
Can I get a multi-night stay at Warm River?
6 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 21 at site 015. Confirm and book on Recreation.gov.
Which sites at Warm River fit a 35-foot RV?
16 of the 24 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 45 ft.
Which month has the most availability at Warm River?
September 2026, with 31 open site-nights in the current snapshot of 240.
When is the next open date at Warm River?
As of the Sep 18, 2026 snapshot: the next open date is Mon, Sep 21. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Stop refreshing. Let the app watch it.
Filter
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Watch
We run paced availability checks for Warm River. One watch covers every matching online-reservable site.
Get the ping
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.
Alerts monitor online-reservable inventory only; first-come, first-served sites are not included.