Berryessa Vista Wilderness Park is a 224-acre park accessible only by boat from Lake Berryessa. No potable water or other services are provided. There are numerous dirt tracks leading from the edge of the lake up into and through the park. Sweeping views of Lake Berryessa and the surrounding countryside can be had from various locations. The terrain is generally steep and the vegetation is a diverse mixture of Oaks Woodland, Gray Pine Forest, and Chaparral. The closest boat launch is Capell Cove.