Lost Lake Group Unit is a national park campground at Colville National Forest in Okanogan County, Washington. Reservations are managed through Recreation.gov. When a booked site here is cancelled it can vanish within minutes, so Campsite Tonight monitors it 24/7 and auto-adds the opening to your Recreation.gov cart before anyone else.
Lost Lake Group Unit is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 45 ft.
Other campgrounds at Colville National Forest include Bonaparte Lake Campground, Swan Lake Kitchen and Snow Peak Cabin.
Total reservations in May — 2023: 1 · 2024: 3 · 2025: 4
Address
Tonasket, Washington
Coordinates
48.8525, -119.0508
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.

Colville National Forest

Colville National Forest

Colville National Forest

Lake Roosevelt National Recreation Area

Lake Roosevelt National Recreation Area

Lake Roosevelt National Recreation Area






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