1779 Home Rd. Delaware, Ohio 43015 Phone: (740) 548-7917 Hours: 9:30am-5:00pm Home  -  History & Mystery  -  Tours & Rates  -  Activities  -  Directions  -  The Haunted Hollow  -  Contact Us Olentangy Indian Caverns 1779 Home Rd. Delaware, Ohio 43015 Phone: (740) 548-7917 Email: oic@olentangyindiancaverns.com Hours: 9:30am - 5:00pm Olentangy Indian Caverns © 2008