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Events

OPEN CAMPING

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 Trivia Night

Holy Trinity Catholic Church 505 Fountains Pkwy, Fairview Heights, IL, United States

Grab your friends for a fun night at the Camp O Trivia Night 2024 on Saturday, March 2nd, at Holy Trinity Church in Fairview Heights, IL! Doors open at 6:30…
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Learning More About Camp Webinar

Online

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 2024 and see a…
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AOH 22nd Annual St. Patrick’s Day Parade

Belleville Illinois

The AOH 22nd Annual St. Patrick's Day Parade assembles at 10:00 am at the 3rd and A Street parking area in beautiful downtown Belleville, Illinois. The AOH 22nd Annual St.…
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OFFICE CLOSED FOR EASTER

The Camp Ondessonk office will be closed for the Easter holiday starting Friday, March 29, 2024 and will resume activity Tuesday, April 2, 2024. If you would like to hike…
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CLOSED TO THE PUBLIC

Our facility will be closed From April 2, 2024 through April 5, 2024 in preparation for the Solar Eclipse event.  We apologize for any inconvenience.

OPEN CAMPING

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

Learning More About Camp Webinar

Online

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 2024 and see a…
Read more

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