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Sonoma County C-1


Rockpile Road crosses Lake Sonoma along a steel arch bridge just west of County Road C-1 (Skaggs Springs Road). Photo taken 05/25/06.

Unsigned Sonoma County C-1 follows Canyon Road west from U.S. 101 in Alexander Valley toward Lake Sonoma. The route jogs to the large reservoir by way of Canyon Road, Dry Creek Road, and Stewarts Point-Skaggs Springs Road. The mountainous route travels 41.6 miles overall from Geyserville to Los Lomas and California 1 at Stewarts Point.

Sonoma County C-1 east
Leaving the Lake Sonoma recreation area, eastbound Sonoma County C-1 follows Dry Creek Road, crossing over the spillway for Lake Sonoma. Photo taken 05/25/06.
Vineyards line both sides of Dry Creek Road as it travels southeast toward Canyon Road and U.S. 101. Photos taken 05/25/06.
Eastbound Sonoma County C-1 (Dry Creek Road) approaches Yoakim Bridge Road south toward Bradford Mountain. Photo taken 05/25/06.
Unsigned CR C-1 turns east onto Canyon Road toward U.S. 101 and Geyserville. Dry Creek Road continues southward to Healdsburg. Photo taken 05/25/06.
Advancing east along Canyon Road, farms and ranch-style houses line both sides of Sonoma County C-1. Photos taken 05/25/06.
Eastbound Sonoma County C-1 comes to an end as Canyon Road approaches U.S. 101 and California 128 near Geyserville. Photo taken 05/25/06.
The second ramp connects to U.S. 101 north and California 128 west to Cloverdale, while Canyon Road continues into Geyserville as California 128 east. Photo taken 05/25/06.
Sonoma County C-1 west
Leaving the diamond interchange with U.S. 101 (Redwood Highway), unsigned County Road C-1 traverses foothills separating Alexander Valley from the Dry Creek valley. Photo taken 05/25/06.
Westbound Sonoma County C-1 (Canyon Road) meets Dry Creek Road, where the county road turns north toward Lake Sonoma. Photo taken 05/25/06.
Dry Creek Road hugs the western foothills north from Canyon Road toward Lake Sonoma. Agricultural areas and vineyards spread westward to parallel Dry Creek. Photo taken 05/25/06.
Warm Springs Dam comes into view at the hairpin turn along CR C-1 preceding the bridge over Dry Creek. Photo taken 05/25/06.
Spanning the spillway from Lake Sonoma along Dry Creek Road west. Photo taken 05/25/06.
Entering the Lake Sonoma recreation area (U.S. Army Corps of Engineers), the county road transitions onto Stewarts Point-Skaggs Springs Road. Photo taken 05/25/06.
Stewarts Point-Skaggs Springs Road ascends the grade to the top of the reservoir. Photo taken 05/25/06.
Sonoma County C-1 turns southward at Rockpile Road as it continues west 35 miles to California 1, Rockpile Road extends west to the Lake Sonoma recreation area. Photo taken 05/25/06.
Rockpile Road
Beyond the split with Stewarts Point-Skaggs Springs Road, Rockpile Road crosses a towering steel arch bridge over Lake Sonoma. The span connects CR C-1 with a marina and other facilities on the northern side. Photo taken 05/25/06.
Sidewalks for pedestrians are in place on both sides of Rockpile Road as it travels high above Lake Sonoma. The steel arch bridge was completed in 1973. Photos taken 05/25/06.
The blue-green waters of Lake Sonoma are impounded by Warm Springs Dam. Photos taken 05/25/06.
Eastbound Rockpile Road approaches the Little Flat parking area. Photo taken 05/25/06.
Views of Rockpile Road looking eastbound across the steel arch bridge. Photos taken 05/25/06.
Rockpile Road east ties into the turn of CR C-1 (Skaggs Springs Road) south of Warm Springs Dam. Photo taken 05/25/06.



Photo Credits:

2006-05-25 by AARoads

Page Updated 08-15-2017.

© AARoads