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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!

Donate Online Here


Specialty Weekends

Spend a beautiful Spring or Fall weekend at Camp Ondessonk relaxing with loved ones. Enjoy most of our traditional camp activities during Specialty Weekends, and gather round a campfire at night. Take a look at the upcoming events listed below and find a Specialty weekend that works for your family.

For further questions on any of our Specialty Weekends, please contact Alissa Hollmann, our Camping Services Director at or via phone at 618.695.2489 x104.

When we are not hosting a special event, Camp is open for folks to have fun on their own.  See the Things to Do at Camp page and our Open Camping Weekend calendar.


Camp Ondessonk Facilities Map


Rules and Regulations


Maple-Sugarin’ Weekend:  March 4 – 6, 2016

Camp Ondessonk Maple Sugarin Weekend Feb 20-22 2015Camp Ondessonk in Ozark IL will be hosting the 2nd Annual Maple-Sugarin’ Weekend March 4-6.  Maple syrup-making is an ancient, time-honored tradition. In the late winter months, maple trees begin their process of releasing a sugary, mineral-rich sap — and Camp’s syrup harvesters become busy tapping these trees for their flavorful rewards. Find out how sweet a learning adventure can be as you learn to tap trees and discover the secrets of the lost art of home maple syrup production.

2016 Maple-Sugarin’ Weekend Registration Form Coming Soon!

Father Son Weekend: April 22 – 24, 2016

Camp Ondessonk Father Son WeekendFathers, Sons, and the Great Outdoors. Camp Ondessonk sets aside one weekend a year for this time-honored tradition as old as America itself. No projects to be done, leaky faucets to repair, or reports to send. Dads are invited to join us for a weekend of tromping through the woods, spending evenings around the campfire, and sharing their love of the outdoors with their sons. Many of our summer camp activities will be open, as well as opportunities to go on a trail ride, climb our 28 foot climbing wall, or test your courage on our high ropes course.

Father Son Weekend Information

2016 Father Son Weekend Registration

Fall Family Camp:  September 18-20, 2016

Ondessonk 4th of July Family CampCamp is for everyone! Join us for a weekend of family fun and experience a taste of summer camp as the leaves change and the weather turns down-right pleasant. Many of our best traditional camp activities will be available.  Go for a canoe paddle or an afternoon swim, take a horse ride or climb our climbing tower. For a taste of the extreme, give our high ropes course a try. Experience a Camp Ondessonk weekend the whole family can enjoy!

2016 Family Camp Weekend Registration

Specialty Weekend Information

Mother Daughter Weekend:  October 7-9, 2016

Camp Ondessonk Giving, Donate Now, donation, stewardshipThe connection between a mother and daughter is a powerful thing. While we all get swept up in the currents of life, the bond remains strong just under the surface. 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 crisp evenings around the campfire, traditional crafts, canoeing, and other Camp activities including leisurely trail rides, and an exhilarating trip down our zip line!

2016 Mother Daughter Weekend Registration

Specialty Weekend Information

 Fall Festival:  October 17, 2015

Camp Ondessonk Fall Family CampCamp Ondessonk opens its gates to the Southern Illinois community for a free afternoon fall festival each year to get to know our neighbors and area families who enjoy spending time together in the great outdoors.  Fall in Southern Illinois provides fantastic weather for afternoon outings.   Camp Ondessonk will be providing free pony rides, climbing wall, hay rides, face painting, and hot apple cider around the bonfire.  This event is open to the public and all programming is completely free!


Road ScholarIMG_2761

Camp Ondessonk offers hiking, horse and other educational adventures for adults through its partnership with Road Scholar – the new program name for Elderhostel International, the not-for-profit world leader in lifelong learning and educational travel since 1975. Road Scholar programs bring together instructors and participants from diverse backgrounds to foster dynamic interaction, engaging discourse and warm camaraderie. Our Road Scholar programs include hands-on learning experiences that stimulate the senses, energize the body and challenge the mind.

For more specific information about our programs please search “Camp Ondessonk” on the Road Scholar website.


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