27th Annual Golf Benefit
Join Camp Ondessonk for our 27th Annual Golf Benefit! All money raised will benefit Camp, and will be used for things such as helping to sustain and enhance the programs,…
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Join Camp Ondessonk for our 27th Annual Golf Benefit! All money raised will benefit Camp, and will be used for things such as helping to sustain and enhance the programs,…
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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!
"Southern Illinois Fat Tire Festival (FTF) happening again for the 18th year in a row, one of the best MTB events in the entire MidWest! This year’s event goes down October…
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Camp will be closed to the public for Fat Tire Festival this weekend. Thank you!
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!
Come out to Camp O on Saturday, October 22rd for our 12th Annual Ondessonk Trail Races! This year's races will include the popular Manchester 10k and a family-friendly 5k Fun…
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Hours: 1:00 PM to 5:00 PM Capacity: 1,000 Age: All ages FREE Admission FESTIVAL ATTRACTIONS • Pony Rides • Face Painting • Rock Wall • Handicrafts • Archery • Local…
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John Muir once wrote, “In every walk with Nature one receives far more than he seeks.” Join the Ondessonk Retreat Team for a weekend walking “with Nature”. This spiritual retreat…
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Camp is closed to the public for registered deer hunting this weekend. No hiking! Thank you!
Wear your Camp O gear and join us for the Santa Parade hosted by the Optimist Club of Belleville. The parade route will begin in beautiful downtown Belleville IL. at…
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