Walk-ins are welcome at this location. Reservations are required for parties larger than 8. General admission is charged for visitors under 21 ($35). The aerial tram ride may be closed for safety reasons in the event of dangerous winds, storms, or temperatures over 100 degrees. Additional experiences are available through reservation ($55-$75). Please visit the Sterling website to schedule your experience. Located in the Calistoga designation of Napa Valley AVA.