No detected openings were recorded in the last 90 days. Campsite Sniper monitors Big Springs Warming Hut continuously and will alert you if that changes.
Of the 3 tracked site-nights (Sep 18 – Sep 20, 2026): 3 unavailable (cause unspecified).
No online availability right now
Load status
Sep 18 – Sep 20, 2026Of the 3 tracked site-nights (Sep 18 – Sep 20, 2026): 3 unavailable (cause unspecified).
Open dates by month
Sep 2026 – Sep 2026No month in range currently shows online availability. 0 open site-nights across the tracked window — these site-nights are marked unavailable.
Holiday windows
Sites open per night · of 1 cabin| 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.
About Big Springs Warming Hut
Overview
Big Springs Warming Hut is located 22 miles south of West Yellowstone, Montana in beautiful Island Park, Idaho at an approximate elevation of 6,300 feet. Visitors love Island Park for its world-class fishing and outstanding scenery and wildlife viewing opportunities.
Recreation
Big Springs is the headwaters of Henry's Fork and is one of the largest springs in the country. Henry's Fork is considered one of the best fisheries in the nation. Fly-fishermen cast for rainbow and brook trout. Tubing, canoeing, kayaking and rafting are also popular on the river.
The Big Springs National Recreation Water Trail can be accessed from the campground and ends 4.5 miles away at Macks Inn. It offers a lazy three-hour float or canoe trip through beautiful scenery. Wildlife, including moose, bald eagles and Sandhill cranes, are often seen along the trail.
The charming and historic John Sack Cabin is nearby, noted for its unique location, construction and furnishings.
Hiking, biking, horseback riding and ATVing are popular activities. Many miles of trails crisscross Island Park, including the Continental Divide National Scenic Trail and the Nez Perce Trail are in the area.
Facilities
The warming hut can accommodate up to 200 people. It is fully enclosed and has a concrete floor. Several picnic tables are inside, along with a wood-burning stove for cool weather. Electrical outlets and overhead lighting are provided inside the building. Outside there are picnic tables, grills and a campfire circle.
A very large parking area is on-site, with 20-amp electric hookups on the edge. Please note that there is no water on-site, but it is available at Big Springs Campground 2.5 miles away. Firewood can be purchased there also. A vault toilet is located next to the warming hut.
Natural Features
Island Park is composed of two areas of extinct volcanic activity. The Henry's Fork Caldera sits inside the larger Island Park Caldera.
The area is known for its dense forests of lodgepole pine, broad grassy meadows bursting with summer wildflowers and a wide variety of wildlife, including black and grizzly bears, moose, elk, deer, bald eagles, Sandhill cranes and much, much more.
The warming hut is surrounded by a forest of lodgepole pines. Grasses and summer wildflowers dot the landscape.
Nearby Attractions
Island Park Reservoir and Henry's Lake are nearby, both offer boating, water skiing, fishing, kayaking and canoeing. Numerous additional small lakes and streams are scattered throughout Island Park.
Yellowstone and Grand Teton National Parks are within a short drive, offering additional hiking and fishing, as well as outstanding scenery.
Macks Inn is 4.5 miles west. This full-service facility offers boat rentals, rafting, shuttle service, gas, groceries, showers and laundry facilities.
Getting there
From West Yellowstone, Montana, travel 22 miles south on Highway 20 to Mack's Inn. Turn east on Big Springs Loop Road and travel 2 miles to the warming hut access road. Turn south into the warming hut parking area.
View on Recreation.gov ↗ Get directions ↗
Photo gallery
FAQ
How do I get a reservation at Big Springs Warming Hut?
Campsite Sniper's current snapshot shows none of the 3 tracked site-nights open for online reservation at Big Springs Warming Hut. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. 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.
Which sites at Big Springs Warming Hut fit a 35-foot RV?
1 of the 1 site that support RV analysis has a recorded maximum of 35 ft or more; the longest recorded is 500 ft.
Does Big Springs Warming Hut have online availability right now?
As of the Sep 18, 2026 snapshot, none of the 3 tracked site-nights are open for online reservation. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. A free Campsite Sniper alert tells you if any date opens online.
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