Camp Ondessonk
| Formation | 1959 |
|---|---|
| Founder | Diocese of Belleville |
| Type | Residential Youth Camp |
| Location |
|
| Coordinates | 37°32′14″N 88°45′39″W / 37.5372222°N 88.7608333°W |
| Services | Summer Outdoor Residential Camping, Counselor in Training, Outdoor Education, Group Rentals, Retreats, Equestrian Programs, Hiking and Biking Trails |
Executive Director | Dan King |
| Affiliations | Belleville Diocese American Camp Association |
| Website | ondessonk.com |
Camp Ondessonk is an outdoor, Catholic residential youth camp run by the Diocese of Belleville. It is located in the Shawnee National Forest of Southern Illinois, near Ozark, Illinois. The mission of the camp is "Exceptional outdoor and spiritual adventures empowering kids of all ages." Camp Ondessonk is accredited by the American Camp Association.