Friends of Famosa Slough: Nonprofit organization in support of this natural wetland preserve. Description, aerial view, history, wildlife, guidelines, and membership.
Friends of Penasquitos: Nonprofit organization dedicated to protecting Los Penasquitos Canyon Preserve. Calendar, projects, children's program, and newsletter.
Los Peñasquitos Canyon Preserve: An open space park preserving two large coastal canyons. Information about area's location, geology, geography, wildlife, prehistoric culture, and history,
Marian Bear Memorial Park: Open space park in San Clemente Canyon. Information about trails, natural environment, history, location, and ranger-led programs.
Rose Canyon Open Space Park: 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.
Sunset Cliffs Natural Park: Stretches along the Pacific Ocean at the western edge of Point Loma. Map, description, and plans for preservation and restoration.
Tecolote Canyon Natural Park: Open space park near Mission Bay. Information about trails, nature center, restoration programs, and history of the canyon.
Torrey Pines State Reserve: Preserve for the nation's rarest pine tree, as well as some salt marshes and waterfowl refuges. Location, directions, hours, and information.
Wildlife Preserves in Mission Bay: 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.