Marin, Napa and Sonoma

Marin and the wine valleys (Sonoma and Napa) are some of the classical cycling areas in Northern California. However, I find most roads in the area fairly busy.

Marin
Marin Headlands
Paradise Loop
Mt Tam
Sir Francis Drake Blvd
Napa
Pope Valley Rd
Sonoma
Fort Ross Rd
CazaderoHwy
Skaggs Rd