Join us for a drop-in, hands-on exploration of Ocean Beach! 

Join us for a drop-in, hands-on exploration of Lands End! 

Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.

Join us outside the Field Station at Presidio Tunnel Tops explore the weird and wonderful world of fungus! No registration required for this free event!

Celebrate Fungus February by helping to document the diversity of fungi at Roy's Redwoods! Led by local mycologists, we will document and collect any fungi we encounter using iNaturalist.

Help tend to the health of the Presidio’s historic forests.

Help us restore the long-neglected gardens of East Black Point, a spectacular park site tucked away above the bustling San Francisco waterfront.

Help us restore the long-neglected gardens of East Black Point, a spectacular park site tucked away above the bustling San Francisco waterfront.

Join us for a special book signing with Michael Schwab, celebrating a stunning 50-year retrospective of his graphic art and design.

Help restore and maintain gardens once tended by the island’s military and penitentiary residents—add life, color, and vibrancy to the Rock.