Urban Canyonlands

San Diego
Sierra Club, San Diego Chapter, Canyon Coalition
Sierra Club, San Diego Chapter, Canyon Coalition, Neighborhood Canyon, Creek & Park Groups
City of San Diego, Open Parks and Space
County of San Diego, Parks and Recreation
County of San Diego, Parks and Recreation, Open Space Preserves and Reserves
San Diego Maps (SanGIS)
San Diego Natural History Museum
San Diego Natural History Museum, Canyoneers Guided Nature Walks

Friends of Canyon Groups
Friends of City Heights Canyon
Friends of Mission Hills Canyons (email)
Friends of Los Penasquitos Canyon
Friends of 32nd Street Canyon Taskforce
Friends of Van Nuys Canyon
Friends of Maple Canyon
Friends of Famosa Slough
Friends of Hell Hole Canyon
Fox Canyon Neighborhood Association
Friends of Rose Canyon