San Bruno Mountain Watch

06/09/2026

This Saturday! We have plenty of summer blooming plants such as: summer lupine, seaside woolly sunflower, pearly everlasting, sea pink, sticky monkey flower, California buckeye, goldenrods, Pacific aster, and more! AND LOOK, a 10% discount coupon! See you Saturday!

04/24/2026

Russ Aguilar, San Bruno Mountain Watch’s Interpretive Specialist (and a fantastic photographer—see the posted pics!), will lead a “Bug Safari” hike from 10AM to 12:30PM, tomorrow, Saturday, April 25th! Russ is a terrific naturalist and bug expert; expect to see butterflies, bees, coyote brush leaf beetles, and more!

The group will explore what makes for good bug habitat and learn what kinds of arthropods are active during the spring! Join us to discover the weird and fascinating world of insects, arachnids, and their kin!

The hike will be about 2.5 miles on the Dairy Ravine Trail and Summit Loop Trail. The hike will be uphill several hundred feet of elevation and will aim to return to the parking lot by 12:30.

RSVP is required. Sign up at www.mountainwatch.org/upcomingevents

04/21/2026

Tomorrow on Earth Day, 4/22, San Bruno Mountain Watch welcomes you to join ecological restoration fellow Emily Martin in Owl Canyon for a guided evening hike and reflection session. Emily will lead participants in an exploration of how we can engage in land-based caretaking and revolutionary connections that go beyond a single day on the calendar! 5pm. RSVP on our website for more details about the meeting location www.mountainwatch.org/upcomingevents

04/11/2026

We need you, rain or shine, for a planting day by the Bay! Help plant natives at the shoreline of Colma Creek in South San Francisco, tomorrow, Saturday 4/11 from 10am to 1pm! Sign up to attend at www.mountainwatch.org/upcomingevents We will meet at 360 Harbor Way in South San Francisco then walk in along the Bay Trail!

03/28/2026

The San Bruno Mountain Botanical Garden is thriving! Join us next Saturday, April 4th, for a planting day—it is a glorious and colorful time to be working in the garden! Sign up on our website! 9:30am - 12:30pm

03/27/2026

San Bruno Mountain’s banana slugs shred more than leaves—super rad to see this one dropping in off a ramp at the Owl Canyon skate park today!

03/16/2026

Join us this Saturday to celebrate 15 years of Native Plant Sales at the Mission Blue Nursery!

03/16/2026

03/03/2026

Come join us on the mountain as we celebrate International Women’s ​Day by participating in a guided hike with ecological restoration fellow Emily Martin​.
Sunday, March 8th at 10am; sign up at www.mountainwatch.org/upcomingevents

​We​ will honor the women who spearheaded the movement to save San Bruno Mountain like Bette Higgins and Mimi Whit​ney.

​T​he guided walk on the Summit Loop Trail ​w​ill showcase the beauty of San Bruno Mountain ​a​s spring approaches and share the stories ​of women ​who’ve had a positive impact on the mountain—and the many other women in our lives. The hike will include time for reflections and shared stories.

02/18/2026

Join a guided amphibian walk this Saturday! 10am to 12pm. Learn about ensatinas, chorus frogs, and other amphibians on the mountain! Admire the flow of cute creeks and pools in the canyons. Sign up at www.mountainwatch.org/upcomingevents