routeID: 310
| Route Title | Petaluma, Bay Hill, Coleman Valley |
|---|---|
| Start Location | Petaluma - Walnut Park, Sonoma County |
| Mileage | 75 |
| Terrain Rating | 4 ! |
| Series | |
| Description | From Petaluma we ride out to the coastal climbs of Bay Hill and Coleman Valley via Spring Hill. Return via Middle Road and Chileno Valley. The exclamation point is for the steep Coleman Valley climb. |
| Submitted by | Mark Nienberg |
| External Links | * RideWithGPS |