• OPEN CAMPING

    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!

  • Ondessonk Confirmation Retreat 2022

    Join other confirmation candidates and their sponsors/parents for a weekend to learn more about the role the saints play in our lives, the gifts of the Holy Spirit, and how to continue as an adult in the Catholic Church. This retreat is built for confirmation candidates and the adults in their lives. There will be…
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  • OPEN CAMPING

    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!

  • Trivia Night 2022

    Grab your friends for a fun night at the Camp O Trivia Night 2022 on Saturday, March 5th, at Holy Trinity Church in Fairview Heights, IL! Doors open at 6:30, play starts at 7:00 p.m. Cost is $200 per table of eight, or $30 per individual. Snacks for your table are encouraged. Beverages and sweets…
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  • St. Patrick’s Day Parade

    St. Patrick's Day Parade March 12th, 2022 in Belleville, IL Parade starts at 11:00 am and traverses Main Street going East. This event is hosted by the Ancient Order of Hibernians in America - Michael P. Keeley Division. If you are interested in walking in the parade to represent Camp Ondessonk, please contact Tony Vrooman…
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  • Ondessonk Trail Leader Training

    Join Camp Ondessonk staff and local naturalists to learn how to lead groups safely & efficiently on day long hiking trips. Throughout the day, we will explore the trails of…
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  • Getting Ready for Camp Webinar

    The Getting Ready for Camp Webinar is an excellent way for both new and returning camper families to hear about Camp Ondessonk's summer camp planning for 2022 and see a virtual unit tour. You will meet some of our leadership staff and have the opportunity to ask Camping Services Director, Nolan Hurst, and Sr. Director…
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  • OPEN CAMPING

    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!

  • Waterfalls, Wildflowers, & Wineries Weekend

    There are many impressive waterfalls within a short hike or drive from Camp beyond Pakentuck and Phantom’s Canyon.  Learn where these hidden spots are as we tour around Southern Illinois…
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  • First Time Camper Open House

    The First Time Camper Open House 2022 is the best way to introduce potential campers (and nervous parents) to the Ondessonk experience. Families will have a chance to meet leadership…
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