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Be the puff in our marshmallow, the volume in our cheers,
the reason we make Incredible Camp O Campers.

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Overnight Summer Camp

Camp Ondessonk is an overnight summer camp located in Ozark Illinois.  The cabins at Ondessonk provide a unique overnight camping experience.  Each of our signature rustic, nonelectric units sleeps 30-40 campers in 5-6 cabins.

Camp Ondessonk Tradtional Camp
Camp Ondessonk Traditional Camp

Traditional Camp

This is where it all started.

For 59 years, traditional overnight camps have been the Ondessonk favorite for kids ages 10-15 years old. Learn and perfect skills like canoeing, archery, horseback riding, and more. At night, roast marshmallows over campfires, or play an all-camp game of extreme flashlight tag.  Read More

Camp Ondessonk Mini Camp and Mini Camp Explorers
Ages 8-9 years old

Mini Camp & Mini Camp Explorers

Teaching what matters most

All summer activities are modified to best serve the mini-camp age group.  With one Ondessonk counselor for every three or four campers, mini campers receive nearly constant guidance and companionship from our caring staff.  Read More

Camp Ondessonk Small Town Big Deal
Camp Ondessonk an overnight summer camp was recently featured on the new hit television show Small Town Big Deal on RFD-TV.  Watch Video
Camp Ondessonk Adventure Camp
Camp Ondessonk Mountain Biking Adventure Camp

Adventure Camps

Programs designed for teenagers.

Camp Ondessonk has specially designed summer adventure programming for teenagers including Mountain biking, Backpacking, Horseback Riding, Rock Climbing and River Adventure.
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Camp Ondessonk Counselors in training
CIT- Counselors In Training

Counselors in Training

Ages:  15 years only

The CIT program is a two-week leadership development session designed to prepare participants for possible future counselor positions.  Read More

How to apply for a Camp Ondessonk Scholarship

The Gift of Camp

To make Camp Ondessonk more accessible to children of all economic means, three scholarship opportunities are available. Read More

Camp Ondessonk is an overnight summer camp that serves children from Illinois, Missouri, Indiana, Kentucky and Tennessee.

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