• Fall Lodge Reunion

    Fall Lodge Reunion 2021 is a service-focused experience at camp. ย Reunite with friends as you help Camp Ondessonk prepare for the upcoming season! ย Lodge membersย will be staying in units and participating in service projects throughout the day on Saturday.ย  Be prepared to work hard during the day, and enjoy the beauty of Camp with fellow…
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  • Mother-Daughter Weekend

    Camp Ondessonk 3760 Ondessonk Rd, Ozark, IL, United States

    Each fall women get together at Camp Ondessonk to celebrate their bond and strengthen the connections that flourish amidst the fall foliage. Join us for Mother-Daughter Weekend 2021 and crisp evenings around the campfire, traditional crafts, canoeing, and other Camp activities including trail rides, and an exhilarating trip down our zip line! Meals provided from…
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  • Walking with God Retreat

    Camp Ondessonk 3760 Ondessonk Rd, Ozark, IL, United States

    John Muir once wrote, โ€œIn every walk with Nature one receives far more than he seeks.โ€ Join the Ondessonkย Retreat Team for a weekend walking โ€œwith Natureโ€. This spiritual retreat will be a time to step outside of the everyday hustle and bustle to be nourished through nature, community, and faith. Throughout the weekend select readings…
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  • Office Closed for Christmas

    The Camp Ondessonk offices will be closed for the Christmas holidays starting Wednesday, December 22nd, 2021 and will resume activity Tuesday, January 4th, 2022. If you would like to hike…
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  • OPEN CAMPING

    Join us for an open camping weekend! Please fill out aย Reservation Requestย 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…
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  • 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,…
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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…
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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…
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