No detected openings were recorded in the last 90 days. Campsite Sniper monitors Peterson Prairie Campground continuously and will alert you if that changes.
Of the 60 tracked site-nights (Sep 18 – Sep 19, 2026): 18 reserved · 42 on sites not offered for online reservation (first-come, first-served or administrative). Of the facility's 30 monitored sites, 21 can be reserved online and 9 are first-come, first-served.
No online availability right now
Load status
Sep 18 – Sep 19, 2026Of the 60 tracked site-nights (Sep 18 – Sep 19, 2026): 18 reserved · 42 on sites not offered for online reservation (first-come, first-served or administrative).
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 a mix of reserved, closed, unreleased and non-reservable dates.
Holiday windows
Sites open per night · of 30 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.
About Peterson Prairie Campground
Overview
Peterson Prairie Campground offers shaded and secluded campsites nestled in a forest of large pine, spruce and fir trees. The campground tends is popular among huckleberry pickers.
At an elevation of 2,800 ft., Peterson Prairie offers a cool summertime climate during the hottest part of the season. Several kid-friendly attractions are a short distance away, making this campground a great choice for families.
Recreation
Seasonal harvesting of huckleberries and mushrooms is a popular pastime.
Natural Bridges and Ice Cave are scenic, family-friendly nature trails near Peterson Prairie Campground. A stairway leading into the Ice Cave allows convenient access to the cave's incredible ice formations. Please be prepared when visiting the caves. Information is avaialble at the campground and the Mt Adams Ranger Station.
Facilities
Drinking water and vault toilets are available. Each site has a picnic table and fire ring. The sites are spacious with gravel parking spurs.
Natural Features
Located in southwest Washington State, the Gifford Pinchot National Forest encompasses 1.3 million acres and includes the 110,000-acre Mount St. Helens National Volcanic Monument established by Congress in 1982.
Peterson Prairie is located in the Mt. Adams Ranger District. Nearest town is Trout Lake, WA.
The Mount Adams Ranger District offers a large variety of habitats and natural features, from old growth to second growth forest, wetland areas, low and high elevation meadows, glaciers, and low and high elevation lakes.
Nearby Attractions
This campground is near Bird Creek Meadows, a trail that offers spectacular wildflower displays and opportunities to observe numerous birds.
Goose Lake is 8 miles west of the campground and offers excellent trout fishing.
Getting there
From SR 14 follow SR 141 North to the town of Trout Lake, continue through town on SR 141 till the road ends and FS 24 begins(approximately 5 miles WSW of town). Continue west on FS 24 for another 2.25 miles to the entrance of Peterson Prairie.
View on Recreation.gov ↗ Get directions ↗
Photo gallery
FAQ
How do I get a reservation at Peterson Prairie Campground?
Campsite Sniper's current snapshot shows none of the 60 tracked site-nights open for online reservation at Peterson Prairie Campground. 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 Peterson Prairie Campground fit a 35-foot RV?
8 of the 30 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 40 ft.
Does Peterson Prairie Campground have online availability right now?
As of the Sep 18, 2026 snapshot, none of the 60 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.
Stop refreshing. Let the app watch it.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Peterson Prairie Campground. One watch covers every matching online-reservable site.
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.