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  • Ondessonk Reservation Request

  • Thank you for your interest in visiting Camp Ondessonk!

    We are excited you are taking this first step in designing a great outdoor experience for your group. Please know, this form is not a reservation, but a request for services. It is a method for us to manage our calendar, and for you to gather information on what Camp Ondessonk can offer your group. This form will not generate an invoice for you. Once received, we will review your request and respond within 1 - 2 business days via phone call or email. Once services are approved, an invoice will be emailed to you along with payment options. Thank you for taking the time to request services at Camp Ondessonk. We look forward to seeing you at Camp soon!
  • If you would like assistance in filling out this form, please call our office at: (618) 695-2489

  • Camp Ondessonk will be offering the following services that can be requested through this form:

    • Overnight School Field Trips Wednesday through Friday
      • For Fall 2025 and Spring of 2026, we will be moving to a more standard schedule that best encompasses the highlights of Camp Ondessonk. Click here for draft schedules.
    • Day Field Trips Monday and Tuesday 
    • 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

    If you have questions, email outdooreducation@ondessonk.com.

    To register for a specialty event (Family Camp, Mother Daughter, Lodge Reunion, etc), please visit https://ondessonk.com/events/ 

  • Click Here for Pricing Costs


    Click Here for Photos & Description of Facility

  • School Day or Overnight Program

  • Click Here for Pricing Information

     

    Click Here for Schedule Information 

  • Click Here for Lodging Upcharge Costs


    Click Here for Photos & Description of Lodging

     

    Click Here for Schedule Information

  • Acknowledgement of School Group Rules and Regulations at Camp Ondessonk

  • Roster: Schools must submit a roster 14 days prior to their trip that includes student, chaperone, and teacher names, ages, dietary needs, and other relevant information.

    Waiver of Claim:  All teachers, students, and chaperones regardless of age must sign a waiver. Parent/guardians must sign for minors (under 18). Waivers must be submitted online before arrival or dropped off upon arrival.

    Quiet Hours:  10:30pm through 7:00am. Please be considerate of other guests and families!

    Supervision of Minors: Adults should never be alone with a minor while out of auditory/visual range of others. Please use the "Rule of 3's" of always having 3 people in a group, never pairs. Schools must provide supervision that meets a 1 chaperone to 10 students minimum and not exceed a 3 chaperone to 10 students.

    Emergency Procedures: Notify Staff in-person or call On-Duty Staff (618) 759-1780. Staff are trained in CPR and First Aid, but schools are ultimately responsible for transportation to emergency care. Call 911 immediately. Nearest ambulance in Vienna, IL. Nearest ER in Harrisburg, IL or Marion, IL.

    Medication Storage: Schools are responsible for the distribution and storage of student medications. Medications must be stored in a locked location. One can be provided upon request.

    Stewardship:  Destruction, defacement, or removal of any natural or historic feature is strictly prohibited. Leave wildlife alone. Outside firewood and cutting of any live or dead standing trees strictly prohibited. Collect only dead, down, and brown firewood. No glass containers of any kind. Put litter and recycling in its place.

    Vehicles:  One (1) vehicle per school is allowed overnight for emergencies. All other vehicles must be parked in the parking lot. No riding in truck beds. No ATVs, side-by-sides, golf carts, or any other recreational motor vehicle. Obey one-ways and speed limits.

    Lodging Areas:  No open flames, candles, tikis, gas stoves/lanterns, grills, etc. in cabins. Campfires only in designated fire pits, always supervised, and drenched before departing. Cabins/outhouses must be left in condition found upon arrival. No unnecessary discharge of fire extinguishers. Report existing damage to lodging upon arrival.

    Fishing / Hunting / Biking / Boating / Swimming:  Fishing allowed only in Lake Echon, Kane Lake, Pine Lake, and Lake Antironta. No fishing in Lake St. Isaac. Anyone 16+ years old must possess an Illinois fishing license. No hunting allowed. Bicyclists must wear helmets and obey posted speed limits.  No boating or swimming without Camp Staff.

    Smoking, Alcohol, and Drug Use:  No smoking/vaping inside any structure. Alcohol may not be consumed by those chaperoning or minors. Possession/consumption of cannabis and illegal drugs strictly prohibited and will result in eviction from Camp. 

    Legal Concerns:  All local, state, and federal laws apply while at Camp Ondessonk; particularly underage drinking, illegal drug use, use of fireworks, removal of Native American artifacts, as well as hunting, fishing, and other conservation laws. Infractions may be referred to the Johnson County Sheriff at Camp's discretion.

    Other Regulations:

    • NO PETS allowed on Camp property.
    • Firearms, fireworks, and explosives of any kind are strictly prohibited.
    • No use of any Camp program areas or equipment without Camp Staff.
    • No entry into Kitchen, Maintenance Building, Stables, private residences, or other lodging units.
    • Do not kill snakes at Camp Ondessonk. If bitten, seek medical care immediately.

    Catholic Diocese of Belleville, IL: Observe the values of the Catholic Church. Co-habitation only by married couples.

    Equal Participation Opportunity: Participation is granted without regard to race, color, national origin, disability, military status, religion, creed, or other legally protected status.

    Registration Deposit, Adjustments, Refunds, and Cancellation Policy:

    A 25% non-refundable deposit is required to secure your reservation. If you must change your reservation, and you provide at least 7 days’ notice, your deposit is transferable to the new reservation if within the same calendar year. 

    Trip cancellations made at any time will result in the loss of your 25% deposit.

    Schools may increase or decrease attendance up until 7 days prior to arrival. Decreases made within 7 days of arrival will result in a per-person cancellation fee. Increases made within 7 days of arrival cannot be accommodated.

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  • Facility Rental

  • Click Here for Facility Rental Costs


    Click Here for Photos & Description of Facility

  • Facility Rental Rules & Regulation Acknowledgement

  • Check-in / Check-out:  Families may check-in starting at 3pm on arrival day.  All families must check-out by 10:00am.

    Waiver of Claim:  All guests regardless of age must sign a waiver. Parent/guardians must sign for minors (under 18). Waivers must be submitted online before arrival or dropped off upon arrival.

    Quiet Hours:  10:30pm through 7:00am. Please be considerate of other guests and families!

    Emergency Procedures: Notify Office Staff during business hours or call On-Duty Staff (618) 759-1780. Staff are trained in CPR and First Aid, but guests are ultimately responsible for transportation to emergency care. Call 911 immediately. Nearest ambulance in Vienna, IL. Nearest ER in Harrisburg, IL or Marion, IL.

    Stewardship:  Destruction, defacement, or removal of any natural or historic feature is strictly prohibited. Leave wildlife alone. Outside firewood and cutting of any live or dead standing trees strictly prohibited. Collect only dead, down, and brown firewood. No glass containers of any kind. Put litter and recycling in its place.

    Vehicles:  Cars may unload/load upon arrival/departure. One (1) vehicle per unit is allowed overnight for emergencies. All other vehicles must be returned to parking lot. No riding in truck beds. No ATVs, side-by-sides, golf carts, or any other recreational motor vehicle. Obey one-ways and speed limits.

    Lodging Areas:  No open flames, candles, tikis, gas stoves/lanterns, grills, etc. in cabins. Campfires only in designated fire pits, always supervised, and drenched before departing. Cabins/outhouses must be left in condition found upon arrival. No unnecessary discharge of fire extinguishers. Report existing damage to lodging upon arrival.

    Fishing / Hunting / Biking / Boating / Swimming:  Fishing allowed only in Lake Echon, Kane Lake, Pine Lake, and Lake Antironta. No fishing in Lake St. Isaac. Anyone 16+ years old must possess an Illinois fishing license. No hunting allowed. Bicyclists must wear helmets and obey posted speed limits.  No boating or swimming without Camp Staff.

    Smoking, Alcohol, and Drug Use:  No smoking/vaping inside any structure. Alcohol only consumed by those 21+ in your reserved lodging area. Possession/consumption of cannabis and illegal drugs strictly prohibited and will result in eviction from Camp. Fournie "Mini Camp" Village is tobacco and alcohol-free.

    Legal Concerns:  All local, state, and federal laws apply while at Camp Ondessonk; particularly underage drinking, illegal drug use, use of fireworks, removal of Native American artifacts, as well as hunting, fishing, and other conservation laws. Infractions may be referred to the Johnson County Sheriff at Camp's discretion.

    Supervision of Minors: All groups must have an adult age 25+. Minors under 16 must be supervised at all times. Adults should never be alone or out of auditory/visual range of others with unrelated minors. Use the "Rule of 3's".

    Other Regulations:

    • NO PETS allowed on Camp property.
    • Firearms, fireworks, and explosives of any kind are strictly prohibited.
    • No use of any Camp program areas or equipment without Camp Staff.
    • No entry into Kitchen, Maintenance Building, Stables, private residences, or other lodging units.
    • Do not kill snakes at Camp Ondessonk. If bitten, seek medical care immediately.

    Catholic Diocese of Belleville, IL: Observe the values of the Catholic Church. Co-habitation only by married couples.

    Equal Participation Opportunity: Participation is granted without regard to race, color, national origin, disability, military status, religion, creed, or other legally protected status.

    Registration Deposit, Adjustments, Refunds, and Cancellation Policy:

    A 25% non-refundable deposit is required to secure your reservation.

    Cancellations made at any time will result in the loss of your 25% deposit. If you prefer to change your reservation, and you provide at least 7 days’ notice, your deposit is transferable to the new date(s) if within the same calendar year. 

    Groups may increase or decrease lodging attendance up until time of arrival.

    Any scheduled food orders must be locked in 7 days prior to arrival.  Changes may not be adjusted after that time.

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  • Equestrian Lesson

    Riders must be at least 6 years of age and weigh less that 225 lbs for rider and horse safety.
  • Form Completion

  • We are excited you have completed this first step in designing a great outdoor experience for your group. We will review your request and respond within 1 - 2 business days via phone call or email. Once services are approved, an invoice will be emailed to you along with payment options. Thank you for taking the time to request services at Camp Ondessonk. We look forward to seeing you at Camp soon!

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