Purchase One Night Get Second Night Free Voucher - (double occupancy). 

Value depends on the choice of accomodation: $366.30 (Mountain View Room) to $632.70 (Two Bedroom Cottage) all double occupancy.

One night's amount paid to Vichy Springs and the second night is included with voucher.

Vichy Springs is a unique 157 year old historic hot springs resort only two hours north of downtown San Francisco. Vichy Springs is the best of two worlds, a country inn and hot springs resort. Vichy offers the only naturally warm and carbonated Vichy mineral baths in North America.

http://vichysprings.info/