Climbing by bike and cycling the Wine Country. Top rated bike climbs in Napa County, and the towns of Napa, Yountville, Saint Helena and Calistoga - the Hwy 29 Corridor. These climbs can be viewed via the map below (scroll in to view climbs in particular areas), or by a detailed list of the climbs that can be arranged by difficulty, distance (longest climbs in Napa County), altitude gained, highest elevation (highest summit), average grade (sort the grades by varying distances), lowest start point, etc. You can also view the Top 10 in the county. Click on "Climb Page" to jump to the detail page for that particular bike climb.