The donation requested to use the facilities to host an event in 2023 is $2600 with an $800 security deposit. In order to confirm your event date, please mail your signed contract and check for $3,300 payable to Southern Mono Historical Society to P.O. Box 65, Mammoth Lakes, CA 93546. The $800 security deposit will be returned after your event if the venue is left in clean condition and the event guidelines have been followed. Once your contract and check have been received, you will receive an email confirming your event reservation. You may also pay online here.