Gallery with photos by Alex Sievers covering Signal Hill, Esperanza Trail, Valley View and petroglyphs.

Saguaro National Park camping, lodging, wilderness, directions, fees and permits.

A comprehensive guide to travel, tourism and recreation in Saguaro National Park including activities, outdoor attractions, and maps.

Information about the park and cactus. Includes location maps, and an interactive trail map with trail-side photographs and GPS waypoints.

Unofficial site. Everything you wanted to know about Saguaro National Park.

Official NPS site. Includes visitor information and a teacher's guide to the desert ecology of the park.

The saguaro has been described as the monarch of the Sonoran Desert.

Description and photographs of both sections of the park, east and west of Tucson.

Virtual walking tour of this Sonoran desert park in southern Arizona.