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

Support Camp Ondessonk with a gift to our Annual Appeal!

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Rock Climbing History

Camp Ondessonk Tradtional Camp
Camp Ondessonk Traditional Camp

Traditional Camp

This is where it all started.

For 60 years, traditional summer camp programs have been the Ondessonk favorite for kids ages 10-15 years old. All children attending get an opportunity to climb our climbing wall and learn about rock climbing history and skills. At night, roast marshmallows over campfires, or play an all-camp game of extreme flashlight tag.  Read More

Camp Ondessonk Rock Adventure
Rock Adventure Ages: 13-16

Climbing Adventure

Teaching what matters most

Climbing Adventure explores rock climbing history and puts them on the trail, moving quickly to hands-on practical work on the rock while experiencing some of the Southern Illinois Rock Climbing scene’s highlights. Spend nights along the shore of one of Camp Ondessonk’s scenic lakes and at Jackson Falls Climbing area each evening to maximize your day’s climbing. Read More

Camp Ondessonk Small Town Big Deal
Camp Ondessonk a residential youth 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 Rock Camp
Camp Ondessonk Hike Bike Paddle and Climb
Hike, Bike Paddle and Climb

Hike, Bike, Paddle, and Climb

Ages:  12-15 years

This program is designed to give teen campers a taste of multiple adventures within one program. This “sampler” offers a bit of each adventure, including Backpacking, Mountain Biking, Rock Climbing History and skills, and River Adventure.  Read More

How to apply for a Camp Ondessonk Scholarship

The Gift of Camp

In an effort to make Camp Ondessonk more accessible to children of all economic means, scholarship opportunities are available. Read More


Camp Ondessonk is a traditional summer youth camp located in Ozark Illinois.  Teen campers learn about rock climbing history while learning climbing techniques from our experienced staff. 

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