October 13, 2019 00:33 Updated Follow You can reserve an Indiana state park campsite online at http://www.indiana.reserveworld.com or contact us tollfree at 866-6CAMPIN (866-622-6746). Related articles How can I find out if my favorite campground has open sites, or reserve a campsite, picnic shelter or inn room at an Indiana state park or reservoir? Can I carry a handgun while visiting an Indiana State Park? How much does it cost to visit an Indiana state park or reservoir? What are the hunting season dates? How do I register for a Hunter Education class?