Take a hike with Ranger Al Blank in Tennessee Valley and learn about Marin Headlands history including the Portuguese dairy farmers that once called Tennessee Valley home.

How did the fear of Russia save Sweeney Ridge? Find out as you hike with one of the most knowledgeable guides in town, Nike missile veteran David Bridgman.

Join us in this lecture series to hear what experts from the Bay Institute, the Tuolume River Trust and the Golden Gate Salmon Association have to say about the Twin Tunnel Project and its affects on our local community and ecosystem.

Come join hikers, cyclists, and equestrians to restore trailside habitat along the much beloved Gravity Car Fire Road and at Double Bow Knot. Old Railroad Grade is one of the most popular routes on Mt. Tamalpais and it is beginning to show some wear and tear. MMWD is partnering with One Tam to help improve environmental conditions adjacent to the Grade. This event is suitable for ages 13 and up. Volunteers under 16 must be accompanied by an adult. All those under 18 must bring a signed MMWD permission form. Limit 40 volunteers.

TO REGISTER: Contact MMWD Volunteer Program Coordinator Suzanne Whelan at volunteerprogram@marinwater.org

To celebrate the park through music, the Parks Conservancy is collaborating with performers to have free and open pop-up concerts as part of a series called Tunes on Trails.

Come join us at West Peak, the true summit of Mt. Tam, on Earth Day, Saturday, April 22, 2:30-5pm for an epic sing-along that will be the climax in a new video directed by local filmmaker Gary Yost to help support the launch of the effort to restore the site of the old Air Force Station. We'll be singing the chorus of the song "The Way It's Supposed to Be" written expressly for the restoration effort by Dore Coller of Mill Valley.

Join us in maintaining White Hill Trail. We‰ЫЄll remove invasive French broom to clear the trail corridor and increase safety by improving lines of sight.

What are wildlife corridors? And why are they important?
Join MCL's Business-Environment Breakfast to learn more as a panel of speakers dive into the regional and local implications of this topic.

Join a family-friendly evening walk that starts at Rob Hill and ends with a storytelling campfire program at the Rob Hill Campground.