Join us for an open camping weekend! Please fill out a Reservation Request or contact the Ondessonk Office with questions at (618) 695-2489. Thank you!
Shawnee Hills 100Mi, 100K, 50K, 1/2 Marathon is an entire weekend of outdoor and trail running FUN for not just the runners but their family and friends! The event is held at Camp Ondessonk, Ozark, Illinois, on August 27-28, 2022. There will be miles and miles of great running through the beautiful Shawnee National Forest, and the totally rustic Camp O cabins. For more… Read more
This reunion event is by invitation only. If you have received a postcard invitation, please contact registration@ondessonk.com for paper or online registration materials. Thank you!