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Bicycle Trails submitted by fherbert
| Route | Contributor | Last Updated | Where | Distance | Tags |
|---|---|---|---|---|---|
| castro valley to south san francisco | fherbert | May 13th | United States > California > Castro Valley | 75.4km | Commute, Difficult, High traffic |
| Bike to Work Day Commute Route from Castro Valley to South San Francisco over the Dumbarton Bridge | |||||
