Keywords: Advanced Search Directory View All Listings Add Listing Howell Mountain Summit Lake Vineyards & Winery Name Summit Lake Vineyards & Winery Excerpt Summit Lake Vineyards is a small, family owned and operated winery located high above the Valley floor in the Howell Mountain sub-appellation. Read More → Wines/Liquors Produced Cabernet Sauvignon, Zinfandel, Port Hours By appointment only Phone 707-965-2488 Address 2000 Summit Lake Drive City AngwinRead More →