Hot Springs Near Rancho Cucamonga, CA

36 thermal springs within 100 miles · 85–194°F

Under nine miles from Rancho Cucamonga there is a 92 degree spring, Tylers Bath, reached by a short walk, open access, sitting at 3,100 feet with camping on the record. That is the closest of 36 springs inside the 100 mile radius, and nine of the 36 sit at soakable temperatures. Arrowhead Springs at 18 miles reads 194°F, far beyond anything you could get into. Warm Spring, Hot Spring is 27 miles out and 108 degrees, a short walk, at 3,520 feet. An unnamed spring a mile past that holds 90°F.

Researched & maintained by Armen Suny · Updated September 2026