Openings · last 7 days
15
Booking reality
Campsite Sniper detected 15 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-232219
When Buffalo (idaho) reopens
Buffalo (idaho)'s openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
46
Openings · last 90 days
48
Only 48 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 – Oct 1, 2026 · of 49 monitored sites
Of the 656 tracked site-nights (Sep 18 – Oct 1, 2026): 118 open for online reservation · 267 reserved · 17 on sites not offered for online reservation (first-come, first-served or administrative) · 235 closed · 19 unavailable (cause unspecified).
Where the open windows are
82% of tracked site-nights are not currently open for online reservation. 118 of 656 remain open; here is where they are.
Load status
Sep 18 – Oct 1, 2026Not open online82%
Open site-nights118 / 656
Reserved (of online inventory)267 / 385
Weekday openings90
Weekend openings28
Of the open site-nights on mapped sites, 90 fall on weekdays and 28 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October shows no online availability. 0 of 19 tracked site-nights are open there — 19 unavailable.
Holiday windows
Sites open per night · of 48 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 |
|---|---|
| B10 | 9 |
| B11 | 9 |
| B05 | 8 |
| B15 | 8 |
| B02 | 7 |
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
Next open weekendFri · Sep 25
October0 of 19 · unavailable
The next bookable night is Sep 21; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Stays and site detail
118 open site-nights across 28 sites at Buffalo (idaho), from the same hourly snapshot as everything above.
Multi-night stays. 29 2-night, 21 3-night, 3 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 21 at site B10.
RV length. Longest recorded site here is 60 ft. 48 sites take 25 ft, 48 sites take 35 ft, 33 sites take 40 ft.
All 28 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| B10 | 45 ft | None | 9 | 9 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| B11 | 45 ft | None | 9 | 9 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| B05 | 35 ft | None | 8 | 8 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| B15 | 45 ft | None | 8 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 26, Sep 27, Sep 28, Sep 29 |
| B02 | 45 ft | None | 7 | 6 nights | Sep 21, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| B08 | 35 ft | None | 7 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29 |
| B13 | 35 ft | None | 7 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29 |
| B14 | 40 ft | None | 6 | 3 nights | Sep 21, Sep 22, Sep 23, Sep 27, Sep 28, Sep 29 |
| E001 | 45 ft | None | 6 | 4 nights | Sep 21, Sep 22, Sep 26, Sep 27, Sep 28, Sep 29 |
| B04 | 35 ft | None | 5 | 3 nights | Sep 21, Sep 22, Sep 27, Sep 28, Sep 29 |
| B06 | 35 ft | None | 5 | 3 nights | Sep 21, Sep 22, Sep 27, Sep 28, Sep 29 |
| B07 | 45 ft | None | 5 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 29 |
| C11 | 60 ft | Yes | 5 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25 |
| B03 | 35 ft | None | 4 | 4 nights | Sep 24, Sep 25, Sep 26, Sep 27 |
| B12 | 35 ft | None | 4 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24 |
| C05 | 60 ft | Yes | 4 | 3 nights | Sep 21, Sep 27, Sep 28, Sep 29 |
| C06 | 50 ft | Yes | 3 | 3 nights | Sep 27, Sep 28, Sep 29 |
| B09 | 35 ft | None | 2 | 2 nights | Sep 28, Sep 29 |
| C01 | 55 ft | Yes | 2 | 2 nights | Sep 28, Sep 29 |
| C07 | 60 ft | Yes | 2 | 2 nights | Sep 28, Sep 29 |
| C12 | 35 ft | Yes | 2 | 2 nights | Sep 28, Sep 29 |
| C18 | 60 ft | Yes | 2 | 2 nights | Sep 28, Sep 29 |
| C02 | 55 ft | Yes | 1 | 1 night | Sep 21 |
| C08 | 60 ft | Yes | 1 | 1 night | Sep 21 |
| C09 | 50 ft | Yes | 1 | 1 night | Sep 24 |
| C10 | 60 ft | Yes | 1 | 1 night | Sep 26 |
| C13 | 60 ft | Yes | 1 | 1 night | Sep 21 |
| C16 | 60 ft | Yes | 1 | 1 night | Sep 29 |
About Buffalo (idaho)
Overview
Buffalo Campground is located 26 miles south of West Yellowstone, Montana and 25 miles north of Ashton, Idaho in beautiful Island Park, Idaho.
Buffalo is a large campground just off U.S. Highway 20 on the banks of the Buffalo River at an elevation of 6,200 feet. Visitors love Island Park for its world-class fishing and outstanding scenery and wildlife viewing opportunities.
Recreation
The Island Park area is renowned for its fishing; the Henry's Fork is known as one of the nation's best fly-fishing streams. Anglers cast for rainbow, cutthroat and brook trout and Kokanee salmon. Island Park Reservoir and Henry's Lake are nearby, both offering boating, water skiing and excellent fishing opportunities.
Hiking, biking, horseback riding and ATVing are popular activities. Many miles of trails are in the area, including the Continental Divide National Scenic Trail and the Nez Perce Trail.
The Big Springs National Recreation Water Trail offers an approximately three-hour float or canoe trip through beautiful scenery. Wildlife, including moose, bald eagles and Sandhill cranes, are often seen along the trail.
Facilities
The campground has six loops of single and double family sites and one loop for group camping, for a total of 127 sites, many of which are reservable. The large group site can accommodate 150 people. One loop has electric hook-ups and all loops are paved.
Accessible vault toilets are provided, as is drinking water and trash collection. A separate parking area is located at the accessible fishing dock and viewing platforms on the east end of the campground.
Ponds Lodge is just across the highway and has fuel, groceries and other amenities.
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 campground lies alongside the Buffalo River, created by a large spring just 4.5 miles away. The Buffalo is a tributary of the Henry's Fork, and flows into it just 2 miles east of the campground. Brook and rainbow trout are plentiful in the Buffalo and a variety of waterfowl and wildlife frequents the river corridor.
Nearby Attractions
Mesa Falls Scenic Byway is 7 miles south of the campground. This 28-mile road leads to scenic overlooks and trails at 110 foot Upper Mesa Falls and 85 foot Lower Mesa Falls.
Harriman State Park is 8 miles south. The Henry's Fork meanders through the Harriman, offering excellent fishing. Over 20 miles of trails are available, and wildlife is abundant in this scenic park.
Henry's Lake State Park is 11 miles north, offering fishing, a fish cleaning station and boat ramp.
Yellowstone National Park's west entrance is just 26 miles north in the town of West Yellowstone, Montana. Visitors enjoy day-tripping to the park for unparalleled wildlife viewing and the beautiful and unique scenery.
49 monitored sitesRVs up to 60 ft18 with hookups48 shadedPets OKFire pitsMax party 150
Getting there
From West Yellowstone, Montana, take U.S. Highway 20 south for 26 miles. From Ashton, Idaho: Take U.S. Highway 20 north for 25 miles. The campground entrance is .25 miles north of Ponds Lodge on the east side of the highway.
Highway 20, Island Park, ID 83429208-558-7658 OR 208-270-0094
BikingBoatingCampingDay Use AreaFishingHikingHuntingWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-232219 · facility
Photo gallery
Roll CS-232219 · Buffalo (idaho) · Island Park ID7 frames · facility
FAQ
How do I get a reservation at Buffalo (idaho)?
Reservations for Buffalo (idaho) are made through Recreation.gov. 82% of tracked site-nights are not currently open for online reservation; 118 of 656 remain open. Campsite Sniper has also detected 48 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 14:17 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 Buffalo (idaho)?
Campsite Sniper detected 15 site-date openings at Buffalo (idaho) in the last 7 days, 46 over 30 days and 48 over the last 90.
Can I get a multi-night stay at Buffalo (idaho)?
21 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 B10. Confirm and book on Recreation.gov.
Which sites at Buffalo (idaho) fit a 35-foot RV?
48 of the 48 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 60 ft.
Which month has the most availability at Buffalo (idaho)?
September 2026, with 118 open site-nights in the current snapshot of 637.
When is the next open date at Buffalo (idaho)?
As of the Sep 18, 2026 snapshot: the next open date is Mon, Sep 21 and the next open weekend starts Fri, Sep 25. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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