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Reservations, modifications and cancelations

The rules for camping and lodging reservations, modifications and cancellations

  • When the booking window opens, inventory becomes available Monday through Friday at 8 a.m. and Saturdays and Sundays at 9 a.m. Please note that the call center is closed on Christmas Day and New Year's Day; on those holidays, new inventory will drop the following day.

    • Campsites, overnight lodging and harbor slips can be reserved 6 months to the date of arrival in advance.
    • Pavilions can be reserved one year to the date in advance.

    Reservations can be made at MiDNRReservations.com or by calling 1-800-447-2757.  A non-refundable reservation fee will apply ($8 for online bookings or $10 for bookings made via the call center).

  • You can easily modify or cancel your camping reservation online at MiDNRReservations.com or by calling 800-447-2757.

    Campsite reservations cannot be modified or canceled more than five months in advance of the arrival date.

    The initial reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable.


    Modifying and/or canceling your reservation prior to your date of arrival will incur the following fees:
    • A $10 cancellation/modification fee.
    • Reduced-stay fee (an incremental fee determined by the length of time a reservation is held and the number of eligible nights canceled). See formula below.
      1. If canceled or modified before the arrival date, all camp nights are eligible for a refund according to the sliding modification/cancellation formula.
    Modifying and/or canceling your reservation on your date of arrival or later will incur the following fees:
    • A $10 cancellation/modification fee.
    • The first night’s camp fee and any camp nights that may have already passed.
    • Reduced-stay fee (an incremental fee determined by the length of time a reservation is held and the number of eligible nights canceled). See formula below.
      1. If canceled or modified on the arrival date or later, any remaining unused camp nights are eligible for a refund using the sliding modification/cancellation formula.

    * Reservations that are canceled on the same day the reservation was created will be assessed the $10 cancellation/modification fee only.

    * Modifications to reservations that do not affect the length of stay will only be assessed the $10 cancellation/modification fee only.

    * Modifications to reservations that result in an increase in the length of stay will only be assessed the additional nights’ camping fee(s).

    * Changing parks will require you to cancel your original reservation and rebook at the new location.

    Reservations that do not show up on the scheduled arrival date:

    If you're running late and cannot check in your reservation before 3 p.m. on the second day of your planned stay, you must change your reservation by logging into your account at MiDNRReservations.com or by calling 1-800-447-2757.  Failure to do so will result in your reservation being automatically canceled and the following fees will apply:

    • A $10 cancellation/modification fee.
    • Up to two night’s camp fees.
    • Reduced-stay fee (an incremental fee determined by the length of time a reservation is held and the number of eligible nights canceled). See formula below.

    Modifying and/or canceling your reservation after checking in for your reservation

    If you’ve already checked in for your reservation and choose to reduce the length of your stay, you’ll be charged a reduced-stay fee for your unused nights. See formula below. If you check out before 1 p.m., that night’s camping fees will be included in the refund formula. If you check out after 1 p.m., that night’s camping fees will NOT be included in the refund formula

    Sliding modification/cancellation formula

    Months reservation held % of unused nights charged
    up to 2 months 10%
    2 to 3 months 15%
    3 to 4 months 20%
    4 to 5 months 30%
    5 or more months 40%

    Tags: cancel reservation, change reservation, modify reservation, campsite reservation, camping reservation

  • You can easily modify or cancel your lodging reservation online at MiDNRReservations.com or by calling 800-447-2757.

    Overnight lodging reservations cannot be modified or canceled more than five months in advance of the arrival date.

    The initial reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable.

    If you cancel your lodging reservation prior to your date of arrival, one of the following fees will be assessed:

    • A $10 cancellation/modification fee if you cancel 31+ days before arrival.
    • The loss of one night’s fee if you cancel 15-30 days before arrival.
    • The loss of two nights’ fees if you cancel 1-14 days before arrival.

    If you cancel your lodging reservation on the day of arrival or after checking in for your reservation, no refund will be issued.

  • You can easily modify or cancel your harbor reservation online at MiDNRReservations.com or by calling 800-447-2757.

    The initial reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable.

    If you cancel your harbor reservation, one of the following fees will be assessed:

    • Cancellations made the day before arrival will receive a full refund minus a $10 cancellation/modification fee. 
    • Cancellation or modification made on the day of arrival will be charged:
      • The $10 cancellation/modification fee. 
      • The first night’s dockage

    Reservations are held until 5 p.m. on the scheduled arrival date. If you arrive after 5 p.m. on the scheduled arrival date, you MUST contact the harbormaster to notify staff of late arrival. If you're late, and you fail to call, the reservation will be cancelled with the loss of two night’s fees and the $10 cancellation/modification fee.

    Tags: cancel reservation, change reservation, modify reservation, harbor reservation, slip reservation

  • You can easily modify or cancel your pavilion reservation online at MiDNRReservations.com or by calling 800-447-2757.

    Changes and cancellations can be made any time after a reservation has been created.

    The initial reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable.

    If you cancel your reservation, refunds are processed based on when you cancel:

    • Up until the day before arrival: You will receive a refund of your daily use fee, minus a $10 cancellation fee. (Note: Effective June 1, 2027, this cancellation fee will increase to $25).
    • On the day of arrival: No refunds will be issued for same-day cancellations or modifications.
    Reservations are held until 8 p.m. on your scheduled arrival date. If you fail to arrive and register by this time, your reservation will be canceled and all fees will be forfeited. 
  • No. Selling or renting a camping, overnight lodging, harbor slip or pavilion reservation is defined as commercial activity and is prohibited. Reservations must be canceled if they cannot be used by the original reservation holder. Park staff will not honor a campsite sold or transferred to another party.