From St. Helena, Napa is 20 mins away and Sonoma is about 45 mins. This is just a small selection of food/wine in the area; there's a million more places, so have fun exploring and tell us if you find anything good :)
Alpha Omega Winery
1155 Mee Lane, St. Helena, CA 94574, (707) 963-9999
Whitehall Lane Winery
1563 Saint Helena Highway, St. Helena, CA 94574, (707) 963-9454
Farmstead at Long Meadow Ranch
738 Main Street, St. Helena, CA 94574, (707) 963-4555
Frank Family Vineyards
1091 Larkmead Lane, Calistoga, CA 94515, (707) 942-0859
The Model Bakery
1357 Main Street, St. Helena, CA 94574, (707) 963-8192
Giugnis Deli
1227 Main Street, St. Helena, CA 94574, (707) 963-3421
Domaine Carneros
1240 Duhig Road, Napa, CA 94559, (707) 257-0101
Mumm Napa
8445 Silverado Trail, Rutherford, CA 94573, (800) 686-6272
Duckhorn Vineyards
1000 Lodi Lane, St. Helena, CA 94574, (707) 963-7108
the girl & the fig
110 West Spain Street, Sonoma, CA 95476, (707) 938-3634
Oxbow Public Market
610 1st Street, Napa, CA 94559, (707) 226-6529
Ty Caton Vineyards Tasting Room
8910 Sonoma Highway, Kenwood, CA 95452, (707) 938-3224
Kunde Family Winery
9825 Sonoma Highway, Kenwood, CA 95452, (707) 833-5501
Lagunitas Brewing Company
1280 North McDowell Boulevard, Petaluma, CA 94954, (707) 778-8776
Russian River Brewing Company
725 4th Street, Santa Rosa, CA 95404, (707) 545-2337