Crissy Field - Former army airfield, now part of the Golden Gate National Recreation Area. History, calendar of events and programs, press releases and volunteer opportunities.
Friends of Recreation & Parks - Private group supporting the programs of the city's Parks and Recreation Department. Guides to San Francisco neighborhood park activities, including children's sports and dog walking parks.
Get Outdoors - Information on camping, lodging, wilderness, directions, fees and permits in the Golden Gate National Recreation Area.
Presidio of San Francisco - 1,480 acres and more than 500 historic buildings, with a saltwater marsh, forests, and native plant habitats. Activities, facilities, and fees.
