No, you cannot camp anywhere at Lake Berryessa. However, there are designated campgrounds around the lake where you can camp. Some popular options include Pleasure Cove Marina, Steele Canyon Recreation Area, and Spanish Flat Recreation Area. These campgrounds offer tent sites, RV sites, and various amenities, such as restrooms, picnic areas, and boat launches. It's essential to reserve a campsite in advance and follow the rules and regulations of the specific campground you choose.