Nonprofit organization in support of this natural wetland preserve. Description, aerial view, history, wildlife, guidelines, and membership.

An open space park preserving two large coastal canyons. Information about area's location, geology, geography, wildlife, prehistoric culture, and history,

Open space park in San Clemente Canyon. Information about trails, natural environment, history, location, and ranger-led programs.

Preserves interacting habitats unique to Southern California. Information about plants, wildlife, and history of the area. Contact information for ranger-led interpretive walks and programs.

Stretches along the Pacific Ocean at the western edge of Point Loma. Map, description, and plans for preservation and restoration.

Open space park near Mission Bay. Information about trails, nature center, restoration programs, and history of the canyon.

All about the canyon, with the latest news, kids page, archives and photos, and related area documents.

Preserve for the nation's rarest pine tree, as well as some salt marshes and waterfowl refuges. Location, directions, hours, and information.

Information about wildlife found at Mariner's Point, Perez Cove, Kendall-Frost Reserve, Northern Wildlife Preserve, Tecolote Creek, Fiesta Island, the Flood Control Channel, and Famosa Slough.