The National Weather Service has issued an Extreme Heat Warning from Tuesday, July 8, 2025 through Thursday, July 10, 2025. The following trails will be restricted from 8 a.m. to 5 p.m.:
Camelback Mountain Preserve: Echo Canyon and Cholla Trail
Phoenix Mountains Preserve: Piestewa Peak Summit Trail and associated trails
South Mountain Park and Preserve: Holbert Trail, Mormon Trail, Hau'Pal Loop Trail, and access to the National Trail from the Pima Canyon Trailhead.