Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Upper Loon Creek Hot Springs lies deep within the Frank Church Wilderness in Idaho, one of the largest protected wild areas in the United States. This iron-rich spring flows at around 38°C, reachable mainly by foot or raft, far from any road, surrounded by forest and untamed rivers.
Insider tip — The Loon Creek drainage in the Frank Church-River of No Return Wilderness is one of central Idaho's wildest and most beautiful river valleys — accessible only by primitive trail through mountains challenging even for experienced wilderness travellers. Upper Loon Creek Hot Springs provides iron-rich thermal relief in this backcountry environment, representing the quintessential western American hot spring experience: earned by effort, utterly remote, and unforgettably set in the heart of America's greatest wilderness.