Outdoor activitiesin San Geronimo, California

Discover outdoor activities in San Geronimo with Meetup. Whatever your interest, Meetup helps you connect with like-minded people.

Hiking

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MT Tam: Muir Woods Bootjack Loop 9.0 mi Moderate Hike

Hosted by: Sleep Late and Hike

Sat, Sep 6 · 12:00 PM PDT

72 going

Free

MT Tam: Muir Woods Bootjack Loop 9.0 mi Moderate Hike

Lyon Street & Baker Beach Stairway Hike

Hosted by: Urban & Bay Hikers (Hiking)

Sun, Oct 5 · 10:30 AM PDT

22 going

Free

Angel Island Hike - Sunday 9-21-25

Hosted by: San Francisco Bay Area Outings

Sun, Sep 21 · 10:30 AM PDT

44 going

Free

Bon Tempe Lake hike (4 miles) - Our Group's First Event

Hosted by: North Bay Slow Hikers

Sat, Sep 6 · 9:00 AM PDT

18 going

Free

Bon Tempe Lake hike (4 miles) - Our Group's First Event

Walking

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Ocean View Bayshore Trail Walk San Rafael 3 Miles

Hosted by: Women of Marin County

Sat, Sep 27 · 10:00 AM PDT

4 going

Free

Ocean View Bayshore Trail Walk San Rafael 3 Miles

Sunday Small Group Morning Hike; Beat the Heat, Views & Lovely Forest Trails

Hosted by: Sonoma County Wanderers

Sun, Sep 7 · 8:15 AM PDT

4 going

Free

Sunday Small Group Morning Hike; Beat the Heat, Views & Lovely Forest Trails

Joy Walking

Hosted by: Joy Walking San Francisco

Wed, Sep 17 · 9:00 AM PDT

3 going

Free

6.4 Mile 1356 ft. Hike, Randall-Bolinas Ridge trails

Hosted by: North Bay 50+ Nature and Outdoors

Thu, Sep 4 · 10:30 AM PDT

15 going

Free

6.4 Mile 1356 ft. Hike, Randall-Bolinas Ridge trails

Running

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Bay Area 5k

Hosted by: Bay Area Lung Cancer 5k

Sun, Sep 21 · 9:00 AM PDT

1 going

Free

Tuesday Night Bunny Run (Beginner)

Hosted by: Marin Running Club

Tue, Sep 9 · 5:00 PM PDT

2 going

Free

Tuesday Night Trail Run (Intermediate)

Hosted by: Marin Running Club

Tue, Sep 9 · 6:00 PM PDT

1 going

Free

Thurs Night Trail Run + Pizza at The Junction

Hosted by: Marin Running Club

Thu, Sep 4 · 6:00 PM PDT

1 going

Free

Thurs Night Trail Run + Pizza at The Junction

Cycling

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Tour at the Buck Institue research on aging

Hosted by: Senior Walkabouters & Adventure Group -- "SWAG"

Tue, Sep 9 · 11:00 AM PDT

8 going

Free

Tour at the Buck Institue research on aging

Test ride the Electric G Line Bikes with Huckleberry Bicycles

Hosted by: Brompton San Francisco Bay Area

Sat, Sep 20 · 11:00 AM PDT

6 going

Free

Test ride the Electric G Line Bikes with Huckleberry Bicycles

Tennessee Valley Walk to the Beach

Hosted by: Marin 50+ Singles

Sat, Sep 6 · 10:00 AM PDT

12 going

Free

Ride Like a Girl – Women's MTB Ride – Crockett Hills

Hosted by: Bicycle Trails Council of the East Bay

Sat, Sep 13 · 8:30 AM PDT

12 going

Free

Ride Like a Girl – Women's MTB Ride – Crockett Hills

Suggested groups

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Outdoor activitiesin San Geronimo, California

Hiking

MT Tam: Muir Woods Bootjack Loop 9.0 mi Moderate Hike

Lyon Street & Baker Beach Stairway Hike

Angel Island Hike - Sunday 9-21-25

Bon Tempe Lake hike (4 miles) - Our Group's First Event

Walking

Ocean View Bayshore Trail Walk San Rafael 3 Miles

Sunday Small Group Morning Hike; Beat the Heat, Views & Lovely Forest Trails

Joy Walking

6.4 Mile 1356 ft. Hike, Randall-Bolinas Ridge trails

Running

Bay Area 5k

Tuesday Night Bunny Run (Beginner)

Tuesday Night Trail Run (Intermediate)

Thurs Night Trail Run + Pizza at The Junction

Cycling

Tour at the Buck Institue research on aging

Test ride the Electric G Line Bikes with Huckleberry Bicycles

Tennessee Valley Walk to the Beach

Ride Like a Girl – Women's MTB Ride – Crockett Hills

Suggested groups

Quest Novato Hiking Group

Marin Running Club

SFRC Running and Events

Motorcycle rides, Yoga, & Nature

Colin & Ed's Hiking Group

San Francisco Bay Area Jewish Hikers

Looking for something more?

Organize your own group in San Geronimo, California