Resort hot springs with full amenities, family-friendly day-use pools, and wild natural springs tucked into mountain landscapes. Every destination gets a detailed review — water temperatures, entry prices and nearby lodging — so you can plan your soak with confidence.
We build each guide slowly and completely — every spring in one place. Colorado is live now, along with a shortlist for anyone starting from Denver. More on the way.
New states are added one at a time, only once every spring in them is verified.