Sand Dune Ecosystem Preserve

Stop on Fort Funston Historic & Scenic Tour, a free self-guided tour.

Fort Funston protects the last significant remnants of the sand dune ecosystem that once characterized much of western San Francisco. Before urban development, massive dunes created by wind-blown sand from Ocean Beach covered the peninsula's western slopes. Today, these dunes at Fort Funston represent a precious living museum of that vanished landscape. The ecosystem supports specialized plants adapted to harsh coastal conditions including strong winds, salt spray, and shifting sands. Native species like dune tansy, beach strawberry, and various grasses stabilize the sand while providing habitat for insects, birds, and small mammals. The dunes are constantly reshaped by wind, creating an ever-changing landscape. Visitors can observe the interplay between plant communities working to stabilize the sand and the powerful ocean winds that continue sculpting the dunes. The preservation of this ecosystem is crucial for maintaining biodiversity and understanding the Bay Area's natural history. Interpretive trails allow close observation while protective barriers prevent damage to sensitive areas. The dunes also serve important ecological functions including water filtration and wildlife corridors.