Camp O Day commemorates the founding of Camp Ondessonk. First celebrated in 2021 and held annually on June 28, the date that the first campers came through the Camp gate in 1959, Camp O Day celebrates the tradition of giving back to Camp Ondessonk. This one-day effort encourages gifts of time, talent, and treasure to ensure Camp Ondessonk will “teach what matters…
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Join us at Camp Ondessonk to experience the astronomical wonder of The Great North American Eclipse! We are so fortunate to be in the “Eclipse Crossroads of America,” where the center line of the 2017 eclipse passed over Camp, and now it will pass directly over us again on April 8, 2024! Whether you…
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The entire family is invited to experience a taste of Summer Camp. Many of our traditional Summer Camp activities will be open: Boating, Archery, Handicrafts, Climbing Wall, and even swimming…
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Moms, daughters, and grandmas are invited for a weekend of Camp fun, crisp evenings around the campfire, and sharing a love for the outdoors with the women and girls in…
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Enjoy Camp Ondessonk on Saturday, October 26th, for our 14th Annual Ondessonk Trail Races! Enjoy a beautiful 5k Fun Run or the Manchester Trail 10k through Camp’s scenic trails. Event…
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Join us on-site at Camp Ondessonk for fall festivities and all your favorite Camp activities including Pony Rides, Face Painting, the Climbing Wall, Handicrafts, Archery, and local vendors. Event Details…
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Join Camp Ondessonk at the 2024 Optimist Santa Parade! Get in the holiday spirit with us in beautiful downtown Belleville, IL on November 29, 2024, at 10 AM! We're thrilled…
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The Learning More About Camp Webinar is an excellent way for both new and returning camper families to hear about Camp Ondessonk's Summer Camp planning for 2025 and see a…
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✝️This Lent, take a meaningful journey as a family at Camp Ondessonk’s Outdoor Way of the Cross Reflection. Walk the Stations of the Cross surrounded by the beauty of God’s creation, reflect on…
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The Learning More About Camp Webinar is an excellent way for both new and returning camper families to hear about Camp Ondessonk's Summer Camp planning for 2025 and see a…
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