Geysers Road (sample)

2711 feet, 200 feet per division, 25.48 miles

Graphs of altitude versus distance for popular bicycle routes in the vicinity of Sonoma County, California. These graphs are generated from GPS (Global Positioning Satellite) data recorded mostly by SRCC member Lou Salz. Lou's GPS receiver includes a barometric altimeter to supplement the satellite data when the satellites are obscured from view. 

Annapolis Road

 Bay Hill Road

Bittner Road

Bohemian Hwy

Canyon Road

Carmody Road

Cavedale Road

Chalk Hill Road

Chileno Valley Road

Coleman Valley Road

Dutcher Creek Road

Eastside Road1

Eastside Road2

Fort Ross Road from Hwy-1

Fort Ross Road from Cazadero

Fountain Grove Pkwy

Fountain Grove Pkwy

Franz Valley Road

Geysers Road from Cloverdale

Graton Road-

from Frei 

Graton Road

Grn Vly,Thomas Maddox

Harrison Grade

Hauser Bridge Road

Hopland Grade

Hwy 128 Calistoga

Hwy 128 Cloverdale

Hwy 128 Yorkville

Hwy 1d

Hwy 1e

Hwy 1g

Hwy 1j

Ida Clayton Road

Joy Road

King Ridge Road

Los Alamos Road

Main St-Bohemian Hwy

Mark West Springs Road

Mays Canyon Road

Meyers Grade

Mill Creek Road

Mountain View Road

Oakville Grade

Old Skaggs Springs

Pine Flat Road

River Road1

Rockpile Road

Seaview Road

Skaggs Springs Road

Skaggs Springs Road

Sonoma Mountain Road

Sonoma Mt Road

Spring Hill Road

Trenton-Healdsburg Road

Trinity Road

Vine Hill Road

Western Mine Road

Westside Road

Willow Creek Road