Ecological History Bike Tour
From SFBC:
Journey through San Francisco’s lost sand dunes, ponds, creeks and coastline covering the heart of the city, the waterfront and Yerba Buena cove, Telegraph Hill, Black Point, and Crissy Field.
Bring a snack and water, and reserve your spot: 415-608-9035, sliding scale $15-50, benefiting Shaping San Francisco
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