Fifth Water Hot Springs Trail is a premier hiking destination in Spanish Fork, Utah, covering 4.5 miles with 900ft of elevation gain. Stats: 4.5 miles, 900ft gain, Moderate. Type: Out-and-Back. Surface: Dirt/Rock. Time: 2-3 hours. Fee: Free. Dogs: Yes. Permit: No. Wildlife: mule deer, wild turkeys, beavers, water ouzels, mink. Best seasons: Spring through fall; geothermal pools are warmest in cooler months; accessible in winter with microspikes. Fifth Water Hot Springs is one of Utah's best-kept secrets — a series of geothermal pools (ranging 100-110°F) reached via a canyon hike past multiple small waterfalls on Diamond Fork Creek. Pack plenty of water — desert and high-altitude trails demand more hydration than you expect. Layers are essential above 10,000 feet. Leave No Trace: stay on designated trails, pack out all waste, and respect wildlife and other visitors.