Winery rich Mendocino County home to 10 American Viticultural Areas (AVAs), a half-dozen of which are smaller regions lumped together under the over-arching Mendocino County label. While there are many dog-friendly tasting rooms scattered about, it makes sense for newbies to follow one of two designated “wine roads,” one tracing Highway 128 through the famed Anderson Valley, the other centered around the Hopland area on Highway 101.