El Dorado Hot Spring is located near Avondale, Arizona, on the outskirts of the Phoenix metropolitan area. This thermal spring, with water reaching around 40 °C, features an open-air pool for wild bathing.
Insider tip — Avondale in the western Phoenix metropolitan area is part of the explosive desert urbanisation that has made the Phoenix valley one of the fastest-growing regions in North America. El Dorado Hot Spring serves this Sonoran Desert urban frontier with thermal wellness, bringing the Southwest's natural hot spring tradition to a metropolitan area where the region's volcanic and geothermal geology underlies the alluvial desert plains with significant geothermal potential.