Resources The Eagle Cycling Club has assembled some useful information. Resources The Eagle Cycling Club has assembled some useful information. NAPA INFORMATION Napa Valley Vine Trail Napa Valley Bike Map Napa County Open Space District Hills of the Napa Valley Skyline Park Karma Kits BICYCLE ADVOCACY Napa County Bicycle Coalition San Francisco Bicycle Coalition Sonoma County Bicycle Coalition Bike East Bay California Bicycle Coalition GENERAL Bike Index – Register your Bike Redwood Trails Alliance Science of Cycling – SF Exploratorium