The San Andreas, CA map has 2 places to visit. That adds up to 2 wineries. Use the map to see where each one sits.
Catano Winery
2861 Murray Ridge Rd, San Andreas, CA 95249
(209) 610-0980
catanowinery.com/Pages/default.aspx
Dalton Vineyards
6005 Dogtown Rd, San Andreas, CA 95249
(209) 736-0559
calaveraswines.org/dalton-vineyard