Willow Creek Hot Spring
Willow Creek Hot Spring emerges at 131°F with strongly alkaline water (pH 9.5) in the Sawtooth National Forest at 5,242 feet. Reaching it requires a walk of nearly 1,200 meters from Willow Creek Road across Forest Service land. The sodium-dominant chemistry with minimal calcium (2.1 mg/L) and low chloride (3.2 mg/L) indicates deep volcanic-hosted circulation.
The spring occupies a forested creek drainage in Camas County, where lodgepole pine, Douglas fir, and aspen line the slopes above Willow Creek. Annual snowfall averages over 144 inches at this elevation, burying the access trail for months. The broader landscape includes the Soldier Mountains to the south and the Smoky Mountains to the northeast, with Fairfield's Camas Prairie stretching to the west. The South Fork Boise River watershed defines the regional hydrology.
The spring takes its name from Willow Creek, along which it surfaces. Baumgartner Campground, less than 5 kilometers away, features its own developed hot springs with a concrete soaking pool fed by 101°F water, reflecting a long tradition of thermal recreation in this part of the Sawtooth National Forest. Willow Creek Hot Spring itself remains undeveloped and is managed as a dispersed recreation site on public land.
The 1,200-meter walk from the road requires moderate effort over uneven terrain. Summer and early fall provide the best access window, as deep snow closes Willow Creek Road from late fall through spring. Water at 131°F is too hot at the source for direct soaking and must be mixed with creek water. Baumgartner Campground, 4.8 km away, is reservable and has a developed hot spring pool, vault toilets, and established campsites.
Is Willow Creek Hot Spring worth visiting?
Best for
- Hot spring soaking
- Overnight camping trips
The water at Willow Creek Hot Spring is alkaline (pH 9.5).
Some links are affiliate links. We may earn a commission at no extra cost to you.
Overview Baumgartner Campground is situated alongside the South Fork Boise River, 11 miles from Featherville, Idaho. The area offers excellent fishing, hiking and off-road vehicle riding opportunities. Baumgartner Hot Springs is located within the campground, where visitors can enjoy soaking in the pool while admiring the scenic, natural setting. Recreation The campground's main draw is Baumgartner Hot Springs. The 101-degree water is piped into a large concrete soaking pool. The pool...