BIKE TOUR: Ecological History North September 21, 2008

"Best Cruise Through the Past" (SF Bay Guardian 2007) Chris Carlsson takes bicyclists on a fun- and fact-filled tour of SF's urban landscape, lost waterways, vanished hills, endangered species and habitats, and how humans have changed the peninsula for better and worse. This one goes north. More info/reservations: 415.608.9035

Event submitted by Eventful.com on behalf of counterpulse.