Mystery Campground
The numbers that decide it
Recreation.gov publishes no site-level detail for this campground, so we cannot say what length of rig it takes. Call the managing office before committing to it in a large vehicle.
Site-level RV detail confirmed against Recreation.gov. Where a field says "not published," the agency has not published it — it does not mean zero.
Recreation.govChecked 2026-08-05
Make Mystery Campground part of the drive.
Byway plans around your taste, verified places, real weather and opening hours — then opens every leg in Google Maps with one tap.
Official Forest Service pageMystery Campground
Small Group Site. This small, quiet, forested campground is located along the Twisp River about 12.5 miles west of Twisp. Enjoy hiking on nearby trails, bicycling on quiet forest roads or mountain biking on nearby Twisp River Trail.
Before you go
Season
April
Reservations
First-come, first-served
Fees
$40/Night
Restrictions
Maximum stay limited to 14 days.
Scenic drives that pass close
Make it a night on a better road
Byway plans the drive in — real stops, real weather, nothing invented.