One Tam

Help restore and maintain the Stinson Beach shoreline.

This online training prepares volunteers to support outreach efforts for conservation priorities on Mt. Tam.

Presented by One Tam. Hear how monarchs are doing this year, efforts to support them, and how you can help. 

Foothill yellow-legged frogs are special because they are only found in isolated ranges in California and nowhere else in the world. Learn about our conservation efforts! 

Join docent Steffen on a strenuous five-mile dusk hike in search of owls struggling for supremacy in the old growth forest. Reservations required.

Join One Tam at Roy’s Redwoods for a winter naturalist adventure!

Winter abounds with watery wonders! Learn about an important home for creatures that especially thrive in this season, and which are also indicators of the habitat's health, with One Tam scientists who study them.

The boardwalk that meanders through the valley floor of Muir Woods provides an inviting and accessible path for visitors to explore the majesty of the redwoods.

Learn about community science efforts that document the western monarch butterfly migration each fall and winter, and contribute to the official count for fall 2022! 

The Golden Gate National Recreation Area (GGNRA) is turning 50 years old on October 27, 2022! Help us celebrate the 50th anniversary by rolling up your sleeves and giving the parks some TLC!