CLOSED TO THE PUBLIC
Camp will be closed to the public to celebrate the Thanksgiving holiday! Thank you!
Camp will be closed to the public to celebrate the Thanksgiving holiday! Thank you!
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,…
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Camp Ondessonk will be closed to celebrate the Christmas season! See you next year!
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,…
Read more
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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Join us for Gala Italiano, Camp Ondessonk’s bi-annual gala and auction, Saturday, March 1, 2025, at The Regency Conference Center in O’Fallon, Ill. Through your support of this event, you…
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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…
Read more
The First Time Camper Open House is the best way to introduce potential campers (and nervous parents) to the Ondessonk experience. Families will have a chance to meet leadership staff…
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We are closed to the public due to a private event. We apologize for any inconvenience.
