Camp Ondessonk

Camp Ondessonk Trivia Night
2026-03-07 18:30 - 20:30 (America/Chicago) | Holy Trinity Catholic Church, 505 Fountains Pkwy, Fairview Heights, IL, 62208, United States
Join us for a blast from the past at Camp O Trivia Night 2026: Through the Decades!

Get ready to time-travel from sock hops to streaming hits — one question at a time.
Grab your friends and dress to impress from your favorite decade!

Camp O Trivia Night
Through the Decades
Saturday, March 7, 2026
Holy Trinity Catholic Church
505 Fountains Parkway, Fairview Heights, IL 62208

Doors open at 6:30 pm, play starts at 7:00 pm
Tickets are $200 per table of eight or $30 per individual. Mulligans $10/10.

Increase your chance to win with $5 bonus questions on five of our trivia rounds!
Don’t forget to check out our raffles!
Raffle — $5.00 for 1 ticket or $10.00 for 3 tickets
Basket Raffle — $1.00 for 1 ticket or $5.00 for 6 tickets
50/50 Raffle — $5.00 for 1 ticket or $20.00 for 6 tickets
Stand up and stretch your legs with Heads or Tails after Round 3!
Heads or Tails — $1 to play

THANK YOU to our Trivia Night Sponsors!
StoneTree Fabrications
Thomas Young, Sr.

We encourage you to bring snacks for your table. Beverages will be available for purchase.
Reservations are limited so REGISTER ONLINE TODAY!

For more information, contact Jennifer Tyler at 618-695-2489 ex.112 or jennifer.tyler@ondessonk.com.

Learning More About Camp Webinar- A webinar for new and returning campers
2026-03-11 17:30 - 18:00, 2026-04-15 17:30 - 18:00, 2026-05-13 17:30 - 18:00 | IL
Discover what makes Camp Ondessonk truly unforgettable. Join our Learning More About Camp webinar, created for both new and returning families, and get a behind-the-scenes look at Summer Camp 2026.
During this interactive session, you will enjoy a virtual unit tour, meet key members of our leadership team, and gain insight into what makes the Camp Ondessonk experience so impactful for campers and families alike. You will also have the opportunity to ask your questions live and receive clear, helpful guidance.
Camping Services Director Nolan Hurst and Sr. Director of Communications Tony Vrooman will be joined by Kristin Beutel, Camp Registrar, who will be available to answer registration, scheduling, and planning questions. Together, they will help ensure you feel informed, confident, and excited as you prepare for your camper’s upcoming adventure at Camp Ondessonk
Register Now

🍀 Ancient Order of Hibernians 24th Annual St. Patrick’s Day Parade
2026-03-14 11:00 - 12:00 | Belleville Illinois
Saturday, March 14, 2026 | Step-Off at 11:00 AM
Get ready to turn the streets green and your spirit even greener.
Join Camp Ondessonk as we proudly walk in the Ancient Order of Hibernians St. Patrick’s Day Parade. This is more than a parade. It is a celebration of heritage, friendship, and the power of community coming together with joy and purpose.
Wear your Garnier Green, walk alongside old friends and new ones, and help us spread smiles, high-fives, and Camp spirit all along the route. Whether you are a camper family, alum, volunteer, or friend of Camp, this is your invitation to be part of something uplifting and unforgettable.

2026 SPRING LODGE SERVICE WEEKEND
2026-03-20 19:00 - 2026-03-22 10:00 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Spring Lodge Service Weekend is a weekend at Camp Ondessonk for Active Lodge Members to come back and help prepare Camp to “open-up” for the Spring & Summer. Participants will spend all day Saturday completing various projects around Camp and enjoy a foil meal and campfire at night. Authorized Lodge adults and Camp staff will provide supervision. Check-in on Friday between 7-9 pm at the Trading Post. Check out on Sunday at 10 am at the Trading Post. Meals provided include breakfast, lunch, and dinner on Saturday, as well as breakfast on Sunday. Please bring appropriate work clothes along with work gloves and closed-toed shoes for the work project.
Registration Deadline: March 11th
Register online today!
Cost: Free for Active Lodge Members. Pay your dues online to renew your membership.

CLOSED TO THE PUBLIC - EASTER BREAK - NO HIKING
2026-04-02 - 2026-04-06 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp is closed to the public for Easter Break. Sorry – no hiking!

OPEN CAMPING
2026-04-07 - 2026-04-16, 2026-04-20 - 2026-04-23, 2026-04-27 - 2026-05-15, 2026-08-17 - 2026-09-02, 2026-09-08 - 2026-09-17, 2026-09-21 - 2026-10-01 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
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, and are within a short walk to a shower house.

For additional information, or to make your reservation, visit the camping section of our website!
Feel free to contact the Camp office at 618-695-2489 with any questions.

Day Field Trips – Monday and Tuesday
Overnight School Field Trips – Wednesday through Friday
Unit Cabin and Tent Camping – Wednesday through Sunday
St. Noel and Fournie Lodge Stays – Monday through Sunday
Camp Ondessonk is closed to overnight groups on Sunday nights
Sorry, no wedding ceremonies or receptions allowed on Camp property

OPEN HOUSE
2026-04-11 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Experience the heart of summer at Camp Ondessonk’s Open House. This FREE event from 1:00-4:00 pm is designed for families to explore, connect, and imagine the adventures ahead. Registration is not required but appreciated for planning purposes. RSVP online today.
Guests will enjoy guided tours of cabins, activity areas, and gathering spaces while seeing campers’ favorite spots throughout camp. Along the way, you’ll have opportunities to participate in classic summer camp activities like archery, fire building, Handicrafts, and pony rides.
Our friendly and knowledgeable camp staff will be available throughout the event to answer questions, share stories, and talk one-on-one about programs, age groups, and what families can expect during the summer. Whether you’re a first-time camp family or returning for another unforgettable season, the Open House is the perfect chance to build excitement, gain confidence, and see how Camp Ondessonk creates a safe, joyful, and meaningful summer experience for every camper.
Can’t make it to Camp on April 11th? Call us at 618-695-2489 to schedule a private tour, or join us for one of our many Learning More About Camp Webinars!
“Learning More About Camp” Webinars
This is an excellent way for both new and returning camper families to hear about Camp Ondessonk‘s summer camp planning and see a virtual unit tour. You will meet some of our leadership staff and can ask questions about the Camp O experience.
February 11
March 11
April 15
May 13
Camp Ondessonk has proudly served campers since the summer of 1959. Ondessonk’s 983-acre site is adjacent to the Shawnee National Forest and is among the most beautiful summer camps in the United States. The Ondessonk Experience is deliberately designed to immerse participants in a setting not often encountered by the youths of today. This traditional approach to summer camping allows participants to fully experience their surroundings in a fun, adventurous, and supportive environment.

16th ANNUAL ONDESSONK TRAIL RACES
2026-04-11 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Join us at Camp Ondessonk for our 16th Annual Ondessonk Trail Races!
With two NEW races this year – a half marathon through the beautiful spring wildflowers, and a one-mile fun run that is perfect for families to enjoy the beautiful scenery!
Please visit our page on the RunSignup website for more information and to register.
One-Mile Fun Run: Families can enjoy a run around our beautiful Lake Echon. All ages welcome.

Date: April 11, 2026
Start Time: 10:00 AM
Price: $20
Includes: T-shirt (requested size not guaranteed if you register after March 18)

5k Run: Enjoy a beautiful 5k through Camp. All ages welcome.

Date: April 11, 2026
Start Time: 9:00 AM
Price: $30 early bird registration until March 13; $35 registration after Mach 13
Includes: T-shirt (requested size not guaranteed if you register after March 18)
Awards: Top male/female finishers will receive a trophy

Manchester Trail 10k: The Manchester Trail 10k is a unique run through Camp’s scenic trails.

Date: April 11, 2026
Start Time: 8:30 AM
Price: $40 early bird registration until March 13; $50 registration after March 13
Includes: T-shirt (requested size not guaranteed if you register after March 18)
Awards: Top male/female finishers will receive a trophy

Half Marathon: Our half marathon is an exciting and challenging run through Camp’s beautiful forests, canyons, and pastures.

Date: April 11, 2026
Start Time: 8:00 AM
Price: $50 early bird registration until March 13; $75 registration after March 13
Includes: T-shirt (requested size not guaranteed if you register after March 18)
Awards: Top male/female finishers will receive a trophy

Contact Jennifer Tyler, Development Events Coordinator, with any questions.
jennifer.tyler@ondessonk.com
618-695-2489 x112

SPRING FLING
2026-04-11 | Camp Ondessonk, 3760 Ondessonk Rd., Ozark, 62972, United States
Celebrate spring at Camp Ondessonk’s Spring Fling on April 11, a fun-filled day that combines our annual trail races with an open house for families and visitors of all ages.
The day begins with runners hitting the trails for the 16th Annual Ondessonk Trail Races. Whether you take part in the challenging Half Marathon, scenic Manchester Trail 10K, classic 5K, or the One-Mile Fun Run, there’s something for participants of all ages and abilities. Each race showcases the natural beauty of Camp Ondessonk in full spring bloom, making it a memorable experience for seasoned runners and casual participants alike. Awards will be given to top male and female finishers in select races, and all registered runners receive a commemorative T-shirt. Please visit our page on the RunSignup website for more information and to register.
In the afternoon, guests are also invited to enjoy our Open House, offering guided tours of Camp Ondessonk, opportunities to explore favorite Summer Camp activity areas, and time to connect with our friendly camp staff. Online registration is optional but appreciated to help with planning.
Whether you’re curious about Summer Camp programs, looking for a great family outing, or cheering on race participants, the Spring Fling offers something for everyone.
Join us for a day of outdoor adventure, community, and discovery. Run the trails, explore Camp, and experience the Spirit of Camp Ondessonk this spring!
The Hot Spot food truck will be on-site offering lunch for purchase from 11:30 am – 2:00 pm.

SPRING STABLE ROUND UP
2026-04-17 - 2026-04-19 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Every spring, volunteers attend the annual Spring Stable Round-Up Weekend to contribute their time & talent to Camp Ondessonk’s stable program, as well as gardening, restoration & preservation efforts. Typical projects include basic maintenance, fixing fence, landscaping, trail maintenance, polishing tack and equipment, etc. Meals provided include breakfast, lunch, and dinner on Saturday, as well as breakfast on Sunday. Unit lodging is free or pay $30 to upgrade to St. Noel.
This weekend is open to invited guests only. Invitations will be emailed in early March. All volunteers must RSVP. To request an invitation, or to receive additional information, email registration@ondessonk.com.
Many thanks to all the volunteers who return season after season to contribute expertise and hard work! Can’t come, but want to help? Go to https://ondessonk.com/giving/ways-to-give to donate toward supplies!

CLOSED TO THE PUBLIC
2026-04-17 - 2026-04-19 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp is closed to the public due to a private event!

SPRING LODGE REUNION
2026-04-17 19:00 - 2026-04-19 11:00 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Spring Lodge Reunion is a service-focused experience at Camp Ondessonk. Reunite with friends as you help Camp prepare for the upcoming summer! Lodge members stay in units and participate in service projects throughout the day on Saturday. Be prepared to work hard during the day and enjoy the beauty of Camp with fellow Lodge members at night. Adult supervision is provided by Camp Ondessonk summer staff.
Check-in on Friday between 7-9 pm at the Trading Post. Check out on Sunday between 10-11 am at the covered bridge. Meals provided include breakfast, lunch, and dinner on Saturday, as well as breakfast on Sunday. Mass will be held on Saturday evening. Please bring appropriate work clothes along with work gloves and closed-toed shoes for the work project.
FREE! Active Lodge membership required. Pay your dues online to renew your membership.
Register for the event online!
Registration deadline is April 8, 2026!

FATHER SON WEEKEND
2026-04-24 - 2026-04-26 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp Ondessonk sets aside one weekend each year for this specialty weekend designed for the guys. For Father Son Weekend, men are invited to join us for a weekend of tromping through the woods, spending evenings around the campfire, and sharing a love of the outdoors with the boys in their lives. Join us for Gaga, Archery, Canoeing/Kayaking, and other Camp activity options. Adventure activities (Challenge Course & Trail Rides) are available for an additional fee to those over 10 years old and weighing under 225 lbs. Mass available on Saturday evening.
The weekend fee of $105 per person includes unit lodging, all meals on Saturday, breakfast on Sunday, and a Father Son t-shirt. Ages 3 and under are free.
Limited lodging upgrades to St. Noel or the Fournie Lodge are available for an additional cost.
Register online or by paper form.
Registration Deadline: April 15, 2026
Cancellation Policy
Cancellations requested on or before the posted registration deadline date will receive a full refund. Refunds are not issued after the registration deadline date has passed; however, registration fees can be transferred to other guests. Please contact the office to transfer payment to another guest for the same event.
Recommended Packing List
Here are some recommended clothing and equipment items to help you prepare for your weekend!

CLOSED TO THE PUBLIC
2026-04-24 - 2026-04-26 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp is closed due to a private event.

CLOSED TO THE PUBLIC FOR SUMMER CAMP!
2026-05-20 - 2026-08-16 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp Ondessonk is closed to the public for Summer Camp! Hikers are not allowed on the property due to children safety!

Ainad Shriners Belleville Parade
2026-06-05 19:00 - 22:00 | Belleville Illinois
Get ready to show your Camp Ondessonk spirit! On Friday, June 5, 2026, Camp Ondessonk will be joining the excitement of the Ainad Shriners Parade in beautiful Belleville, Illinois, with an incredible float and walk starting at 7:30 PM. Whether you’re a camper, counselor, alumni, or lifelong supporter, this is your chance to march alongside your Camp family and share the magic of Ondessonk with the entire community. Come cheer us on, wave from the sidelines, or join us in the parade!

CLOSED TO THE PUBLIC
2026-08-04 - 2026-08-16 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp is closed to the public for a post-summer camp break! Hikers should sign in using the QR code by the office door (on St Noel deck).

LABOR DAY FRIENDS WEEKEND
2026-09-03 - 2026-09-07 | IL
Ondessonk staff alumni, volunteers, and donors have enjoyed Labor Day weekends at Camp Ondessonk for over 40 years. This is an invitation-only event that extends to all 25+ yrs old staff alumni, as well as recent volunteers and donors.

CLOSED TO THE PUBLIC
2026-09-03 - 2026-09-07, 2026-09-18 - 2026-09-20, 2026-10-02 - 2026-10-04 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
Camp is closed for a private event. Campers and Day Hikers are not allowed during this time. Sorry!

FALL FAMILY CAMP
2026-09-18 16:00 - 2026-09-20 11:00 | Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL, 62972, United States
The entire family is invited to experience a taste of Summer Camp. Many of our Traditional Summer Camp activities will be open, such as Boating, Archery, Handicrafts, Climbing Wall, and even Swimming, for families to enjoy the last days of summer. Adventure activities (High Challenge Course & Horseback Riding) are available for an additional fee to those over 10 years old and weighing under 225 lbs. Mass is available on Saturday evening.
The weekend fee of $105 per person includes unit lodging, all meals on Saturday, breakfast on Sunday, and a Family Camp t-shirt. Ages 3 and under are free.
Limited lodging upgrades to St. Noel or the Fournie Lodge are available for an additional cost. Adventure activities are available for an additional cost.
Register online or by paper form!
Registration Deadline: September 9, 2026
Cancellation Policy
Cancellations requested on or before the posted registration deadline date will receive a full refund. Refunds are not issued after the registration deadline date has passed; however, registration fees can be transferred to other guests. Please contact the office to transfer payment to another guest for the same event.
Recommended Packing List
Here are some recommended clothing and equipment items to help you prepare for your weekend!

31st Annual Pete Korte Memorial Golf Benefit for Camp Ondessonk
2026-09-26 07:00 - 14:00 | Roland Barkau Memorial Golf Course, 1501 N. Waterworks Rd., Okawville, IL
Camp Ondessonk and Korte and Luitjohan Contractors are proud to host the 31st Annual Pete Korte Memorial Golf Benefit for Camp Ondessonk.

Saturday, September 26, 2026
Roland Barkau Memorial Golf Course
Okawville, IL

Registration begins at 7:00 am
Shotgun start at 8:00 am

Please visit our registration page to participate as a sponsor, to donate prizes, or to play on a team or as an individual.

https://onecau.se/kortegolfbenefit

Your participation will support Camp Ondessonk’s mission “to provide exceptional outdoor and spiritual adventures empowering kids of all ages.”

Thank you for your support! Be
