U.S. Forest Service · St. Joe National Forest · ID

Mammoth Springs Campground

Photo · U.S. Forest Service

OpenSeason 06-01 – 10-31

UnlistedAccess

The place

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.

SRC · USFS Enterprise Data Warehouse · 2026-08-24

Booking

183 daysBooking window before arrival

Recreation.gov default: most campsites can be booked six months prior to arrival date. Most campgrounds go on sale at 7am PT / 8am MT / 10am ET, but not always; check the facility Seasons and Fees tab. Some locations also offer shorter supplemental booking windows.

SRC · Rules verified against recreation.gov · 2026-08-24

Fees

$15/night when water pump handles are on or $12/night without water, an additional $5 third vehicle fee applies.

SRC · USFS Enterprise Data Warehouse · 2026-08-24

Your representative

This campground sits in ID-01. This member’s public-lands record →

SRC · U.S. Census TIGER · MTJP Scorecard

Mammoth Springs Campground — Idaho | CAMPANAC