Aggregate/Gravel

One of the signature trail improvement projects of the Parks Conservancy, the multi-use Battery East Trail features eye-popping views of the soaring towers of the Golden Gate Bridge, as well as an overlook/seating area to admire the span and San Francisco Bay.

Rodeo Lagoon offers habitat for birds, butterflies, and bobcats—as well as miles of backcountry and coastal trails.

Tennessee Valley is an amazing offshoot of the Marin Headlands, with hiking trails that suit the whole family.