A hooley is an Irish party or celebration! On Saturday, March 16 come celebrate St. Patrick’s Day in a unique way with live music above and below ground, tasty treats and beverages, and a chance to collect tokens for beer and wine samples, as well as rock and mineral treasures. In the Visitor Center, enjoy live bluegrass with an Irish twist by Down from the Hills. Traditional Irish music will be featured inside the Cave. Cave After Dark is a popular series of themed events for adults 21 and older at Cave of the Mounds – National Natural Landmark. Each event includes a unique at-your-own-pace in-cave experience and theme-related reception in our Visitor Center with cash bar. These special events sell out fast, so reservations are required.