Public

Shot of Golden Gate Bridge from Crissy Field Area
Event
Crissy Field Center
Led by one of our talented park volunteer photographers, this class is for those who have an interest in getting better photographs with their cameras. It is designed to take beginners who are using the “Auto” mode most of the time and want to use the other features to improve their results.
One Tam Roving Ranger
Event
Alpine Dam
The Roving Ranger will be visiting Alpine Dam to help celebrate its 100th birthday with trivia games, prizes and celebratory snacks. If you are hiking, biking, or strolling along this spectacular area, stop by for a visit and learn more about Alpine Dam. We'll be parked next to Alpine Dam...
Event
Hal Brown Park at Creekside
Come join this community-based effort to install a diversity of native plants and improve animal habitat at a site once dominated by weeds! We will be mulching, planting, and/ or weeding next to a tidal marsh with a view of Mt. Tam. Work is mildly strenuous and involves bending, pulling,...
Event
Hal Brown Park at Creekside
Come join this community-based effort to install a diversity of native plants and improve animal habitat at a site once dominated by weeds! We will be mulching, planting, and/ or weeding next to a tidal marsh with a view of Mt. Tam. Work is mildly strenuous and involves bending, pulling,...
Event
Hal Brown Park at Creekside
Come join this community-based effort to install a diversity of native plants and improve animal habitat at a site once dominated by weeds! We will be mulching, planting, and/ or weeding next to a tidal marsh with a view of Mt. Tam. Work is mildly strenuous and involves bending, pulling,...
Event
Hal Brown Park at Creekside
Join our county’s premier volunteer event focused on the marine environment and its watersheds. We will be removing trash from Corte Madera Creek, Creekide Marsh, and surroundings. Come for the full time or just stop by to lend a hand! For a full list of California Coastal Cleanup Day opportunities...
Event
Dias Ridge Trailhead
Help us search for fast-spreading weeds while learning some tricks of the trade! One Tam will give a training on how to search for, remove, and use a smartphone to map some of the most problematic weeds in Marin. We will also teach you some simple ways to prevent the...
Events
Muir Woods Visitor Center
Stroll through an old-growth redwood forest at sunrise, hear tall tales, soar in the sounds and smells, and hear the historical and ecological story of Muir Woods.
Alcatraz Gardens Class Series: Herbarium and Plant Pressing
Events
Alcatraz Gardens
This class will have two parts. The first part will be a quick class about herbaria, what they are, how they are used, and a demonstration for how to create herbarium sheets. The second part will entail the students making their own herbarium sheets using plants pre-pressed from Alcatraz gardens. Finally, there will be an optional section where people can bring their own books or other pressing materials and learn how to not-so-scientifically press plants for their own enjoyment.
Hawk Hill Trail
Events
Hawk Hill
Many hands are needed to make Hawk Hill a safer and more beautiful place for all who visit! Hawk Hill is a popular visitor destination well known for its beautiful vistas and a place to observe migrating raptors. Join in to paint over unsightly graffiti on military Battery Construction 129...