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Open Space Parks

Photo of Rose Canyon Open Space Park

Open Space within the City of San Diego is defined as areas generally free from development or developed with low intensity uses that respect natural environmental characteristics. Open Space Parks are used for purposes such as preservation of natural resources, passive outdoor recreation and scenic and visual enjoyment.

Mission Trails Regional Park - One of the largest urban parks west of the Mississippi, this park has over 5,900 acres of open space providing visitors the chance to participate in a wide variety of hikes and multi-educational programs. Mission Trails Regional Park also includes Kumeyaay Campground.

Tri-Canyon Parks - Comprised of Marian Bear Memorial Park, Rose Canyon Open Space Park and Tecolote Canyon Natural Park & Nature Center these 3 open space parks are made up of 1,500 acres and include trails for hiking, biking, and bird watching in unique natural habitats.

  • Mission Valley Preserve - Fifty-two acres of the San Diego River Park is known as Mission Valley Preserve and is under the supervision of the Park and Recreation Department Tri-Canyon Park Rangers.

Los Peñasquitos Canyon Preserve - With over 4,000 acres of open space, this Preserve is home to many rare and endangered plant and animal species. Visitors using the 37 miles of multi-use trails have the opportunity to pass through 14 different habitat types and view a waterfall.

Black Mountain Open Space Park - This park is comprised of 2,352 acres, has trails for hiking, biking and equestrian use and has over 80 species of birds. The centerpiece of the park is the 1,554 foot summit of Black Mountain which provides 360 degree views of the area.

Open Space Canyons and Parkland Program - Open Space canyons are located throughout the City of San Diego and you may find one just beyond your own backyard. A map is available for locating a canyon close to you. Trail maps are also available for exploring what is right in your own community.

San Pasqual / Clevenger Canyon Open Space Park - This park offers great hiking and bird watching, including a challenging 1755 foot summit.

Otay Valley Regional Park

  • Otay Valley Regional Park Trails Map (PDF)
  • To report suspected illegal activity including transient encampments, encroachment onto City property, or other maintenance needs please call (619) 424-0463. In an emergency please call 911.