Spanish Flat Resort - "The Best and Friendliest Service on the Lake" Mailing Address: 4290 Knoxville Road NAPA, CA 94558 Telephone: (707) 966-7700 Fax: (707) 966-7704 Email: info@spanishflatresort.com Driving Directions: Click Here... Rates: Click Here... Spanish Flat Resort @ Lake Berryessa 4290 Knoxville Road Napa, CA 94558 (707) 966-7700 Designed & maintained by NapaNet