Named for the signature white, chalky soils of the region, Chalk Hill received its AVA status in 1983.
Northeast corner of the Russian River Valley AVA
Warmer than the rest of Russian River Valley AVA due to its higher elevation
Volcanic, chalky white ash
Chardonnay, Sauvignon Blanc, Cabernet Sauvignon, Merlot
Home to only a handful of wineries, this is one of the smaller sub-regions of Sonoma.