Environment eventsin Mill Valley, CA
Environment
Mill Valley
Date
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Most popular events
Earth Day Marin 2026
Sun, Apr 26, 12:00 PM
Mill Valley Recreation, Camino Alto, Mill Valley, CA, USA
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Wild Oyster Project's Monthly Volunteer Work Day
Sun, Mar 1, 10:00 AM + 6 more
2133 Tynan Ave
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February 2026 Vermont Greenway & Eco-Patch Workday
Sat, Feb 21, 10:00 AM
Vermont Greenway & Eco-Patch
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Novato Baylands (Hamilton Wetlands) Coastal Cleanup
Mon, Feb 16, 9:00 AM
Novato Baylands Native Plant Nursery (Point Blue)
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Novato Baylands Monthly Bird Walk - February 2026
Sat, Feb 21, 9:00 AM
South Hamilton Park
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