The main entrance to Fort Funston.
The southern view from Fort Funston.
Northern view from the observation deck at Fort Funston.
Unidentified species (help us identify it by providing feedback).
Volcanic ash from an eruption near Lassen Peak 450,000 years ago.
Sandstone layers in the rock at Fort Funston.
A sea gull over the beach at Fort Funston.
Battery Davis at Fort Funston.
Battery Davis tunnel.
The path west of Battery Davis.
Unidentified species (help us identify it by providing feedback).
Fort Funston cliffs.
Sand ladder at Fort Funston.
Sand ladder at Fort Funston.
Iceplant (Carpobrotus edulis) is an invasive species native to South Africa.
Storm drain at Fort Funston.
Northern view from the beach at Fort Funston.
Southern beach view toward Pacifica.
Coastal wattle (Acacia longifolia) is an invasive species native to Austrailia.
Hang glider on the beach at Fort Funston.