Louis. Boonville is proud to preserve, celebrate, and recognize all of its history. Boonville features multiple historic markers throughout the town pointing out various Civil War, Lewis and Clark, and Santa Fe Trail landmarks, as well as other significant points of interest. Top Attractions in Boonville These rankings are informed by Tripadvisor data—we consider traveler reviews, ratings, number of page views, and user location. Boonville Offers Low Cost Business Loans through USDA Grant The City of Boonville gets USDA Grant to help businesses through low cost loan program. . Boonville is in southern Mendocino County, in the Anderson Valley, 115 miles (185 km) north of San Francisco. read more view all events helpful links frequently used programs Visit Boonville NC, Crossroads of the Yadkin Valley. Welcome to Boonville, CA and the Boonville Downtown cottage. The entire region is rich in history, energized by growth, and ripe with opportunity.