Mammoth Springs 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 Mammoth Springs 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 pageMammoth Springs Campground
Mammoth Springs Campground features 8 camp units, vault toilets, and potable water (July-September). Please observe the Pack it In Pack it Out refuse policy. Attractions include Dismal Lake (1 mile). This campground was recently improved through a grant through an Idaho Department of Parks and Recreation.
Before you go
Season
June – October
Fees
$15/night when water pump handles are on or $12/night without water, an additional $5 third vehicle fee applies.
Scenic drives that pass close
Make it a night on a better road
Byway plans the drive in — real stops, real weather, nothing invented.