• Stay up to date with what’s happening on the mountain!

Calendar

Calendar

Featured Events

  • Friday, August 7, 2026 — 10am - 1pm
    Lake Lagunitas Guided Hike (Rooted in the Watershed Series)
  • Saturday, August 8, 2026
    Tamalpais Bee Lab - Community Science Event
    Source: One Tam Calendar
    Join our  Tamalpais Bee Lab to become a community scientist and help study our local bees! You'll learn about these important pollinators and insect identification, while building our knowledge about local bees. Plus, it's fun!  When: Saturday, August 8, 11 a.m.-2 p.m.
  • Saturday, August 15, 2026
    Visit the Tam Van at Roy's Redwoods Preserve
    Source: One Tam Calendar
    Join us for a series of special weekends as the Tam Van visits Roy’s Redwoods🌲! Each day is a chance to explore the beauty of our forested landscapes and connect with the land in a fun and interactive way. Our mobile visitors center, the Tam Van, will be set up with hands-on activities for all ages to help bring the forest to life in new and exciting ways!  🗓️ Tam Van ScheduleCatch the Tam Van at Roy's Redwoods on the following dates and times. 

This calendar combines events from all five One Tam partners. Please confirm details before attending. If you require an accommodation to participate in an event, please contact the host organization.

Upcoming Events

  • Lake Lagunitas Spiders
    Source: Marin County Parks
    Marin Water District
    Tuesday, August 18, 2026, 10am – 2pm
  • Visit the Tam Van at Roy's Redwoods Preserve
    Source: One Tam Calendar

    Join us for a series of special weekends as the Tam Van visits Roy’s Redwoods🌲! Each day is a chance to explore the beauty of our forested landscapes and connect with the land in a fun and interactive way.

  • Marin Headlands Nursery
    Source: One Tam Calendar

    When: Saturday, August 22nd, 10:00 am–1:00pm. 

    Where: Marin Headlands Nursery

  • Kites n' Kites
    Source: Marin County Parks
    Upton Beach
    Saturday, August 22, 2026, 3 – 5pm
  • Visit the Tam Van at Roy's Redwoods Preserve
    Source: One Tam Calendar

    Join us for a series of special weekends as the Tam Van visits Roy’s Redwoods🌲! Each day is a chance to explore the beauty of our forested landscapes and connect with the land in a fun and interactive way.

  • Workday at the Bike Park
    Source: Marin County Parks
    Stafford Lake Park
    Sunday, August 23, 2026, 9am – 12pm
  • Landscape Stewardship
    Source: Marin County Parks
    McInnis Park
    Wednesday, August 26, 2026, 2 – 4pm
  • Muir Woods Night Tour
    Source: One Tam Calendar

    Ever wondered what Muir Woods is like after the park closes?

  • Mount Burdell Plant Galls
    Source: Marin County Parks
    Mount Burdell Preserve
    Sunday, August 30, 2026, 9am – 12pm
  • Bothin Marsh Restoration
    Source: Marin County Parks
    Mill Valley/Sausalito Path
    Sunday, August 30, 2026, 9am – 12pm