Swing into a Tam-inspired spring with lots of opportunities to explore and give back to the mountain! 

Photo by Lee Jester

HIKE WITH US

Saturday, April 14, 10 am-1:30 pm: Mt. Tam West Peak Hike. Join Marin Municipal Water District ranger Matt Cerkel on Mt. Tam for a special talk about the true peak of our beloved mountain. REGISTER >>

Wednesday, April 25, 2 pm-4pm: Member Hike - Wildflowers of the Chaparral. Learn about these plants’ relationships to fire, traditional uses, and distinguishing features. REGISTER >>

LEARN WITH US

Tuesday, April 17, 7:30-9:30pm: Bat Mist Netting at Muir Woods. Learn about bat ecology, and take a close up look at the bats as they are safely caught and released. MORE INFO >>

Saturday, May 12, 1-4 pm: Roy's Redwoods Field Day. Join us for a fun and informative afternoon under the majestic trees of Roy's Redwoods Open Space Preserve. Learn about its unique hydrology, redwood forest ecology, and talk with the One Tam team that is exploring opportunities to improve the preserve's ecological health and visitor experience. MORE INFO >>

VOLUNTEER WITH US

Thursday, April 12, 1-4 pm: Wildlife Picture Index Workshop. Help catalog wildlife photos for the Marin Wildlife Picture Index Project, which uses motion-activated cameras to study wildlife on Mt. Tam. REGISTER >>

Saturday, April 14, 9 am-Noon: Community Science: Pollinator Workshop. Help prepare samples and contribute to a first-ever inventory of Mt. Tam's bees! MORE INFO >>

Saturday, April 14, 9 am-Noon: Purge the Spurge on Bolinas Ridge. Enjoy sweeping ocean views while restoring habitat and removing weeds on Bolinas Ridge. REGISTER >>

Thursday, April 19, 1-4 pm: Wildlife Picture Index Workshop. Help catalog wildlife photos for the Marin Wildlife Picture Index Project, which uses motion-activated cameras to study wildlife on Mt. Tam. REGISTER >>

Saturday, April 21, 8 am: 100th Anniversary Women's Dipsea Hike. We will celebrate the innovators of 1918 and the history of the women’s movement in the Bay Area with a tribute hike on Mt. Tam’s Dipsea Trail! Although registration is now closed for the women’s hike, community members are encouraged to cheer on the participants! Spectators can gather at Old Mill Park at 7:30 am for the start, or at the post-race celebration in the south parking lot of Stinson Beach (11 am - 2:30 pm). The Hike is directed by the Dipsea Race Committee and co-hosted by One Tam, the Golden Gate National Parks Conservancy, and the National Park Service. MORE INFO >>

Saturday, April 22, 10 am-3 pm: Restore and Create: Earth Day Celebration at Stinson Beach. The 14th Annual Earth Day Celebration at Stinson Beach combines care for the environment with arts activities for all ages. MORE INFO >>

Tuesday, April 24, 1-4 pm: Wildlife Picture Index Workshop. Help catalog wildlife photos for the Marin Wildlife Picture Index Project, which uses motion-activated cameras to study wildlife on Mt. Tam. REGISTER >>

Wednesday, April 25, 10 am-2:30 pm: Invasive Plant Patrol. This program is great for those that love to hike and want to get to know new trails. You'll learn to identify plants while enjoying scenic landscapes. REGISTER >>

BIOBLITZ SEASON IS HERE!

Join a bioblitz to help document plant and animal species of Mt. Tam! Mark your calendars for the following dates, and be sure to check onetam.org/calendar for updated information and registration:

• Saturday, April 28, Ring Mountain Bioblitz with One Tam and Marin County Parks. INFO >>
• Saturday, April 28, Lake Lagunitas Bioblitz with One Tam and Marin Municipal Water District. INFO >>
• Saturday, May 5, Slide Ranch Bioblitz with One Tam and National Park Service. INFO >> 
• Saturday, May 11, Van Wyck Meadow Bioblitz with One Tam and State Parks. INFO >>

APRIL IS EARTH MONTH! 

Celebrate Earth Month by giving back to the mountain! 

One Tam offers many ways to make a difference, whether you're interested in protecting habitat, stewarding trails, contributing to our science work, supporting our programs, and more - so we hope you'll consider volunteering, donating, or becoming a business or community partner this month and beyond! 

Photo by Maria Durana