Shaping SF Bike Tour: Ecological History (south)
From Shaping SF:

Shaping San Francisco co-director Chris Carlsson conducts historical tours of San Francisco by bicycle. Bring a snack and water — we don’t stop for food! Please email us to RSVP, less than five people cancels! (And include your phone number so we can call you if rain washes out the tour!)
Tours start at 12 noon at 518 Valencia (at 16th Street) in San Francisco unless otherwise indicated. Two-hour tours $10-20 sliding scale.
More info: 415.608.9035
Need to Rent a Bike? Go to Pier 40 to the Bike Hut!
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