A travel-tested guide to Idaho's hot springs (2025) by Logan J. Prescott. Covers 75+ hot springs across Idaho with GPS coordinates, directions, fees, road/trail accessibility, water temperatures, seasons, and amenities for primitive and developed sites. Includes top picks by region and type (Sawtooths, Salmon River, Boise National Forest, Lava Hot Springs), soaking etiquette and safety tips, bonus scenic drives and road-trip routes, and recommendations for photographers and off-grid seekers. Aimed at road trippers, backpackers, RVers, and weekend travelers seeking firsthand, practical information for planning soaking adventures.