Openings · last 7 days
2
Booking reality
2 cancellations opened here in the last 7 days
01 · Cancellation Intelligence · the openings record · file CS-261802
When Trapper Springs (MT) reopens
Trapper Springs (MT)'s proprietary openings record: every reservation that came back, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
2
Openings · last 90 days
2
Only 2 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 · next 6 months · of 16 sites
Where the open windows are
94.3% of the next six months is already booked. 50 of 880 site-nights remain open; here is where they are.
Load status
Next 6 monthsBooked94.3%
Open site-nights50 / 880
Weekday openings30
Weekend openings20
Weekdays hold 60% of what's left. Weekend inventory is the scarce asset, and the first thing a cancellation alert wins back.
Open dates by month
Aug 2026 – Sep 2026September holds the most room. 30 of 480 site-nights are still open there.
Holiday windows
Sites open per night · of 16| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 1 | Last site |
| SUN Sep 6 | 1 | Last site | |
| MON Sep 7 | 1 | Last site |
Labor Day is the squeeze. Sat Sep 5: 1 of 16 sites. The loosest holiday night still holds 1.
Best-availability sites
Most open dates · 6 mo| Site | Open dates |
|---|---|
| 1 | 50 |
The one most open sites in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Aug 7, 2026 snapshotNext open dateSun · Aug 9
Next open weekendFri · Aug 14
The next bookable night is Aug 9; the first open weekend starts Aug 14. Everything past that is where an alert earns its keep.
Stays and site detail
50 open site-nights across 1 site at Trapper Springs (MT), from the same hourly snapshot as everything above.
Multi-night stays. 3 2-night, 2 3-night, 1 7-night openings where a single site is free for every night — soonest Aug 9 at site 1.
RV length. Longest recorded site here is 60 ft. 15 sites take 25 ft, 15 sites take 35 ft, 14 sites take 40 ft. 1 of 16 sites have no recorded maximum and are not counted.
Every site with availability (1)
| Site | Max RV | Hookups | Open dates | Longest run | Dates |
|---|---|---|---|---|---|
| 1 | 0 ft | None | 50 | 42 nights | Aug 9, Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 17, Aug 18, Aug 20, Aug 21, Aug 22, Aug 23 +38 more |
About Trapper Springs (MT)
Overview
The Dillon Field Office is unable to make reservations for you. Please call Recreation.gov (877-444-6777) to book a reservation or book online.
Campsites are available for reservation for the Peak-Season times of May 1st through September 15th. All sites are first-come-first-serve from September 16th through April 30th.
Trapper Springs Campground is adjacent to the lower Madison River and provides good access for camping, fishing and floating. The campground has 15 camp sites, 9 available for reservations. There is no boat launch available at this site, but there are several in the vicinity. The campground serves as a great central location to access the lower Madison River.
The day use area has a large pavilion with parking for 20 vehicles. The pavilion can be reserved for groups ($50/day). The campground has 15 camping sites with two accessible vault toilets. Organized Group permits are required for groups larger than 15 people.
Recreation
The Madison River is well known for its robust trout fishery. The lower Madison River is a very popular destination for non-angling floaters (tubers) during the warm summer months. Trapper Springs sits roughly half way between Warm Springs boat launch and Black's Ford Fishing Access Site.
Facilities
15 campsites, 3 accessible vault toilets, drinking water, group use pavilion, fire pits, and picnic tables. Firewood is available for purchase at Red Mountain Campground, when the volunteer campground host is present.
16 sitesRVs up to 60 ftNo hookupsWaterfrontRiverfrontPets OKFire pitsMax party 50
Getting there
From Bozeman; Head west on MT Hwy 84 (Norris Road). Continue on MT Hwy 84 for 20.5 miles. Turn left (south) at South Bear Trap Canyon Road. If you cross the Madison River you have just passed the turn. From Norris; Head East on MT Hwy 84 (Norris Road) travel for 8 miles and turn right (south) at South Bear Trap Canyon Road after you cross the Madison River.
Blm Dillon Field Office, Dillon, MT 59729406-683-8000
BoatingCampingDay Use AreaFishingPicnickingTubing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-261802 · facility
Photo gallery
Roll CS-261802 · Trapper Springs (MT) · Dillon MT12 frames · facility
FAQ
How do I get a reservation at Trapper Springs (MT)?
Trapper Springs (MT)'s 16 sites book up months ahead on Recreation.gov; most openings come from cancellations. Pick a site on the map to see its 6-month calendar, or set a free Campsite Sniper alert to get notified when one opens. You still 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?
This page is rebuilt from a fresh snapshot of public Recreation.gov availability roughly hourly (current snapshot: Aug 7, 2026 02:18 UTC). Always confirm final availability on Recreation.gov when you book.
How often do cancellations open here?
In just the last 7 days, 2 reservations came back at Trapper Springs (MT), 2 over 30 days and 2 over the last 90. "Sold out" rarely means sold out.
Can I get a multi-night stay at Trapper Springs (MT)?
2 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Aug 9 at site 1. Confirm and book on Recreation.gov.
Which sites at Trapper Springs (MT) fit a 35-foot RV?
15 of 16 sites have a recorded maximum of 35 ft or more; the longest recorded site is 60 ft. 1 sites have no recorded maximum and are not counted as fitting.
Which month has the most availability at Trapper Springs (MT)?
September 2026, with 30 open site-nights in the current snapshot of 480.
When is the next open date at Trapper Springs (MT)?
As of the Aug 7, 2026 snapshot: the next open date is Sun, Aug 9 and the next open weekend starts Fri, Aug 14. Cancellations can open earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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