Open Space Preserve - California
Pulgas Ridge Open Space Preserve is a 366-acre site near the City of San Carlos and provides trails for hiking and walking one's dog, including an off-leash area. The Preserve's six miles of trails offers access to cool canyons and a ridge top with views toward the bay and surrounding hillsides.
|California Pocket Maps|
Midpeninsula Regional Open Space - Pulgas Ridge
Trail Map of Pulgas Ridge Open Space Preserve (OSP) in California. Published by the Midpeninsula Regional Open Space District.
Golden Gate - Overview
Official visitor map of Golden Gate National Recreation Area (NRA) in California. Published by the National Park Service (NPS).
Vintage USGS - San Francisco - 1957
Vintage 1957 USGS 1:250000 map of San Francisco in California. Published by the U.S. Geological Survey (USGS).