Marin Open Space Trust (MOST) News updates are about current and past open space projects we participate in to protect Marin’s greenbelt. MOST is a local land trust and 503(c) non-profit. Marin Open Space Trust works with local communities to protect and preserve Marin’s beautiful open space for the enjoyment of today’s resident and visitor as well as ensuring it will be there for future generations. This includes efforts stemming from our own initiatives as well as partnerships with like minded community members and organizations throughout Marin. Subscribe to our newsletter to learn about new projects.


Trail to Spiral Lake, Manzanita Fire Road, part of public trust
Open space benefits have a tremendous impact for Marin residents beyond simply scenic beauty and recreational opportunities. Some of those
Marin Areas At Risk of Development Download the Map Download this free map of Marin areas at-risk of development. It