Get the true Ondessonk camping experience by sleeping among the trees or under a waterfall! All cabin units have fire pits, benches, picnic tables, a potable water spigot, an outhouse, and are within a short walk to a shower house. For additional information, or to make your reservation, visit the camping section of our website! Feel free…
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Camp is closed to the public for Thanksgiving Break. Hikers should check in using the QR code by the Office Door.
Join Camp Ondessonk at the 2025 Optimist Santa Parade! Get in the holiday spirit with us in beautiful downtown Belleville, IL on November 28, 2025, at 10 AM! We’re thrilled to invite YOU to join Camp Ondessonk’s festive float as we celebrate the season. The parade kicks off at the intersection of North 3rd and…
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Get the true Ondessonk camping experience by sleeping among the trees or under a waterfall! All cabin units have fire pits, benches, picnic tables, a potable water spigot, an outhouse, and are within a short walk to a shower house. For additional information, or to make your reservation, visit the camping section of our website! Feel free…
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Camp is closed to the public for registered deer hunting this weekend. No hiking! Thank you!
Get the true Ondessonk camping experience by sleeping among the trees or under a waterfall! All cabin units have fire pits, benches, picnic tables, a potable water spigot, an outhouse, and are within a short walk to a shower house. For additional information, or to make your reservation, visit the camping section of our website! Feel free…
Read more
Camp is closed to the public for Christmas Break. Hikers should sign in using the QR code by the office door.
Discover what makes Camp Ondessonk truly unforgettable. Join our Learning More About Camp webinar, created for both new and returning families, and get a behind-the-scenes look at Summer Camp 2026. During this interactive session, you will enjoy a virtual unit tour, meet key members of our leadership team, and gain insight into what makes the…
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Join us for a blast from the past at Camp O Trivia Night 2026: Through the Decades! Get ready to time-travel from sock hops to streaming hits -- one question…
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Discover what makes Camp Ondessonk truly unforgettable. Join our Learning More About Camp webinar, created for both new and returning families, and get a behind-the-scenes look at Summer Camp 2026.…
Read more
