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For those wanting a hilly work out — check out http://www.walkscore.com/bike/CA/San_Francisco http://www.walkscore.com/bike/CA/San_Francisco and pick your own c

by oniTony 13y ago

For those wanting a hilly work out — check out http://www.walkscore.com/bike/CA/San_Francisco http://www.walkscore.com/bike/CA/San_Francisco and pick your own combination of hills and availability of bike lanes.