Hiking Estrella Mountain Regional Park. For those looking for a more challenging hike, Estrella Mountain Regional Park is located in Goodyear and Avondale and has plenty of trails. The park ...

Because of the excessive heat, the City of Phoenix says hiking will be prohibited at Camelback Mountain and Piestewa Peak from 11 a.m. until 5 p.m., starting Saturday, July 1, through Tuesday, July 4.