Thank you for choosing Cave of the Mounds – National Natural Landmark for your group! A member of our Education Team will be in touch TO COMPLETE YOUR GROUP RESERVATION. A $100 deposit is required to secure the date and time of your reservation. We look forward to seeing your group! If you have questions at any time feel free to contact us at 608-437-3038 ext. 103 or groups@caveofthemounds.com.