The Bay Nature events calendar features events sponsored by Bay Area nature organizations from Sonoma to Santa Cruz. Find guided hikes, learn about Bay Area wildlife, enjoy nature festivals, and more!

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Ferns & Flowers: Guided Hikes at Martin Griffin Preserve

Saturday, May 18 @ 10:00 am - 4:00 pm

| $20

Join us on May 18th for guided hikes celebrating the many ferns and flowers we find along Martin Griffin Preserve trails. Nature Guides Mae and Karen will be leading guided hikes with materials at 11am and 2pm. Try out our fern and flower scavenger hunt, have a look at sporangia underneath the microscope, and more!

As every Saturday, we’ll have ample opportunity for nature exploration! Join our volunteer Nature Guides and grab a pair of binoculars or peer in the scopes to watch osprey dive for fish and eagles disrupt the waterbirds over the Bolinas Lagoon. Grab a net and scoop a newt at our freshwater ponds. Come out to our kids’ tables to do activities related to the sights, sounds, and smells of May at Martin Griffin Preserve! No reservation necessary — please join us!

OPEN SATURDAYS, May 4 – July 27, 2019
10:00am – 4:00pm
Bring your family and friends! The Martin Griffin Preserve is open to the public. Learn about the wonders of nature and hike through redwoods, mixed evergreen forests, coastal scrub, and enjoy sweeping vistas of the Bolinas Lagoon and Pacific Coast.

Hike 8+ miles of trails
Learn from nature guides
View abundant plants & wildlife
Visit newt ponds
Discover natural wonders in our Curiosity Room
Picnic under redwoods
Featured Programs
Themed Saturdays – Hikes and activities occur at 11am and 2pm:

May 4th: Spring Opening Day! Hikes with David Herlocker
May 11th: Banana Slug Hike!
May 18th: Ferns & Flowers
May 25th: Pond Day
June 1: Magnificent Save: The Story of Martin Griffin Preserve
June 8: Conifers of the Canyon
June 15: Mountain Lion Day
June 22: Dragonflies and Damselflies
June 29: Forest Bathing and Nature Mindfulness with certified Forest Bathing instructor Joey (Iris) Heusler
July 6: Little Folkies Family Band (Eventbrite ticketed event)
July 13: Nature Journaling Day
July 20: “It’s My Fault!” Earthquakes and the San Andreas
July 27: Summer Celebration at MGP! (Closing Day)
Mother’s Day Picnic:
May 12th, 12:00pm – 2:00pm
A 50-year tradition benefitting ACR and Marin Audubon Click here to purchase tickets

For directions to Martin Griffin Preserve, click here.

ADMISSION: Suggested donation of $20 supports our programs and management of the 5,000 acres of wildlife sanctuaries owned by ACR. All donations are greatly appreciated!


Saturday, May 18
10:00 am - 4:00 pm


Audubon Canyon Ranch


Your Name (this will not appear on the event listing)
Claire Seda


Martin Griffin Preserve
4900 Shoreline Highway One, Bolinas, CA 94924 + Google Map