Sponsored by the Art Association Napa Valley. Open Studios Napa Valley is a free, self-guided, art discovery tour which takes place over two weekends. Each year sixty to seventy-five participating artists share their artwork with visitors from all over the United States. Whether you’re an avid collector or just curious about art, this is an incredible opportunity to peer into the creative spaces of Napa Valley, meet the artists, watch demonstrations and buy local art right from the source!