Started in 2016 as a competition between San Francisco and Los Angeles, the City Nature Challenge (CNC) has grown into an international event, where people around the world find and document wild things in their cities. By participating in CNC, you are adding valuable data to a worldwide database that scientists and communities can use to care for species and habitats!
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Mount Tamalpais State Park Docent Led Hike
"The (not-so) Hidden Treasures of Mt Tamalpais: Experience multiple geologic and growth eco-systems while traversing the south side of Mt Tamalpais.