Head out to beautiful Upton Beach and learn how to skimboard with ranger staff.

Head out to beautiful Upton Beach and learn how to skimboard with ranger staff.

Enjoy the late-season flowers, changing sounds and smells, and warmer days with guided hikes at 11am and 2pm offered by our volunteer Nature Guides, with summer celebration activities and crafts throughout the day.

Join volunteer Nature Guide Marty on July 20th as we discover the faultline that has defined the San Francisco Bay Area, learn about its movements, the tectonic plates, and more… and have a look at the lagoon through scopes and binoculars, through which the San Andreas runs!

What’s a conifer, and why is it here? Come hear our volunteer Nature Guides tell stories about trees, find out who lives in the trees, and then spread out your picnic blanket and have a picnic under the trees!

Parents, bring your 0-5 year olds to the Martin Griffin Preserve of Audubon Canyon Ranch to join ACR and Little Folkies Family Band for a day of Music and Nature Exploration! 

Join us for two-hour guided forest bathing sessions with certified forest bathing instructor Joey (Iris) Heusler at 11am and 2pm!

Want to see a vivid dancer, or a painted lady, or a swallowtail? And what’s a dragonfly naiad? On June 22nd, join volunteer Nature Guide Leslie for guided hikes at 11am and 2pm to see the wonders of dragonflies, damselflies, and butterflies from eggs to flight!

Pounce like a lion! Join our volunteer Nature Guides on June 15th to learn all about our mountain lion neighbors and their role as top predators in our natural communities.

What’s a conifer, and why is it here? Come hear our volunteer Nature Guides tell stories about trees, find out who lives in the trees, and then spread out your picnic blanket and have a picnic under the trees!

Please join us to celebrate mothers and nature at our Mother’s Day Picnic in one of the most spectacular wildlife preserves in Marin. 

Head out to beautiful Upton Beach and learn how to skimboard with ranger staff. 

Head out to beautiful Upton Beach and let your creativity run wild! Join ranger staff to build sandcastles and whatever else you can imagine using materials from nature. Sand, seaweed, driftwood, and shells are a few of the materials we can use to create unique masterpieces! Work as a group or solo. The only requirement is having a great time in the beautiful outdoors.

Visit Martin Griffin Preserve throughout our limited Fall Season, with Nature Guide-led walks, activities, or materials to open your eyes to our lovely preserve in a different way each week. 

Head out to beautiful Upton Beach and let your creativity run wild! Join ranger staff to build sandcastles and whatever else you can imagine using materials from nature.

Please join us to celebrate mothers and nature at our Mother’s Day Picnic in one of the most spectacular wildlife preserves in Marin.

The 14th Annual Earth Day Celebration at Stinson Beach combines care for the environment with arts activities for all ages.