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  • Our Mission

    Connect the people who live and work in Las Gallinas Valley with their creek and watershed. Advance local conservation action. Promote watershed restoration, protection and education. Please support us! Become a member of GWC.

    Who We Are

    Gallinas Watershed Council (GWC) is a group of concerned citizens who live and work in Las Gallinas Valley, North San Rafael, Marin County. From the headwaters in the hills of Terra Linda to the wetlands of Santa Venetia, we are committed to using the WATERSHED APPROACH to protect and manage our environment. We are a 501c(3) Nonprofit  fiscally sponsored by MarinLink.

    Learn what you can do and about watershed events.  

    For more information please download the GWC PDF Brochure and the GWC Watershed Issues Map.  

King Tide Hikes 2014Wednesday, January 8th, 2014

King Tide, Mouth of Gallinas Creek, Santa Venetia

Join the Gallinas Watershed Council for KING TIDE HIKES! Schedule King Tide Hike Friday Jan 31, 2014 11:15 AM – 1 PM Hike leader: Rachel Kamman Location: Please meet at 11:15 at the Bank of America parking lot off of Smith Ranch Road in Terra Linda. Note change in time/place Hike details: Walk along Gallinas [...]

Teachers and Students: Learn with a 3D Watershed ModelMonday, January 6th, 2014

Watershed Model

Attention Teachers and Educators! Help students learn about watersheds using our 3D Watershed Model. Fun and interactive Can be used in a classroom or outdoors Demonstrate common sources of pollution Learn how to reduce human impacts The Gallinas Watershed Council is offering the use of our 3D Watershed Model to Marin County teachers and educators. [...]

King Tide Creek Cleanup Dec 15, 2013Monday, November 25th, 2013

Gallinas Creek at King Tide

 King Tides are here! We will experience some serious SEA LEVEL RISE during the King Tide this December 2013 and  January 2014! These are the highest tides of the year – some are well over 7 feet! KING TIDE CREEK CLEANUP Join us December 15! We’ll experience a 6.3 foot high tide at around 11 [...]

Bike the Watershed 4: 4th Annual GWC Bicycle TourMonday, November 18th, 2013

Bike the Watershed 3 Riders at China Camp

Bike the Watershed 4 The Gallinas Watershed Council invites you to our fourth annual bike ride through the watershed on August 16, 2014. Our 4th Annual GWC “BIKE THE WATERSHED” Bicycle Tour will take place in Terra Linda and we will visit some of the headwaters of Las Gallinas Creek. We start and end up [...]

Marin Watershed Forum 2013 well attended and informativeFriday, November 8th, 2013


Gallinas Watershed Council hosted a countywide Marin Watershed Forum on Sunday, November 17, 2013. Watershed supporters from around the county met from 3:30 to 5:30 PM at the San Rafael Community Center Auditorium, on 618 B Street in San Rafael, CA. The purpose of the Forum was to bring together watershed groups, citizen advocates and [...]