Note: See Appendix 2: Governing Agencies and
Appendix 3: Outfitters for more listings.
Bay Area Hiker
Bay Area Open Space Council
Bay Area Ridge Trail Council
Bay Nature magazine
California Native Plant Society
Committee for Green Foothills
Greenbelt Alliance
Marin Trails
Metropolitan Transportation Commission (public transit)
Mt. Diablo Interpretive Association
Mt. Tamalpais Interpretive Association
National Audubon Society
National Geographic Maps/TOPO!
maps.nationalgeographic.com/topo
Peninsula Open Space Trust
Pine Ridge Association
Point Reyes Bird Observatory
San Mateo County Parks Foundation
Save Mt. Diablo
Sempervirens Fund
Sierra Club
Sonoma County Trails Council
Tamalpais Conservation Club
Trail Center
Trails.com, Hikes with Dogs in Northern California
www.trails.com/activity.aspx?area=15271
National Weather Service
Weather.com
Whole Access
Wilderness Press