Rivers & Streams. Left: Phleger Estate; Photo Credit: Mason Cummings, NPS.
Top Right: Point Reyes NS; Photo Credit: Jessica Weinberg, NPS.
Bottom Right: Muir Woods; Photo Credit: Jessica Weinberg, NPS.

In an arid, Mediterranean climate like that of the San Francisco Bay Area, rivers and streams provide corridors of precious water that can sustain dense stands of trees and wetland plants, and that provide habitat for birds, fish, amphibians, insects, and aquatic invertebrates.