Reservations, modifications and cancelations

When the booking window opens, inventory becomes available Monday through Friday at 8 a.m. and Saturdays and Sundays at 9 a.m.

• Campsites, overnight lodging and harbor slips can be reserved 6 months in advance.
• Picnic shelters can be reserved 1 year in advance.

Harbor slips, campsites and state park lodging not already reserved in advance may be available on a first-come, first-served basis.

Visit MiDNRReservations.com »

You can also call 1-800-447-2757.

If you need to shorten your trip or cancel your camping reservation, the following guidelines and fees apply. You can manage your booking at MiDNRReservations.com or call 800-447-2757.

Modifying and/or canceling your reservation ahead of time

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

The reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable. Additionally, the following fees will be assessed.

• 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 sliding modification/cancellation formula below.
1. If canceled or modified before the arrival date, all camp nights are eligible for the reduced-stay fee according to the sliding modification/cancellation formula.
2. If canceled on the day of arrival or later, the first night’s fee and any camp nights that have already passed will be charged at the full rate. 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). The $10 cancellation/modification fee will not be charged. 

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. See sliding modification/cancellation 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

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If you need to shorten your trip or cancel your overnight lodging (ie. cabins, yurts, pop ups) reservation, the following guidelines and fees apply. You can manage your booking at MiDNRReservations.com or call 800-447-2757.

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

The reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable. Additionally, the following fees will be assessed.

• A $10 cancellation/modification fee for cabins, yurts, popups, etc. or a $50 cancellation fee for modern lodging.
• Reduced-stay fee (an incremental fee determined by the length of time a reservation is held and the number of eligible nights canceled). See sliding modification/cancellation formula below.
1. If canceled or modified before the arrival date, all unused lodging nights are eligible for the reduced-stay fee according to the sliding modification/cancellation formula.
2. If canceled on the day of arrival or later, the first night’s fee and the cost of any nights that have already passed will be charged at the full rate. Any remaining unused nights are eligible for a refund using the sliding modification/cancellation formula.

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. See sliding modification/cancellation 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

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If you need to shorten your trip or cancel your harbor reservation, the following guidelines and fees apply. You can manage your booking at MiDNRReservations.com or call 800-447-2757.

 The reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable. Additionally, one of the following will be assessed.

• Cancellations made the day before arrival will receive a full refund minus a $10 processing charge. 
• Cancellation or modification made during your stay will be charged for the first night’s dockage and/or any nights already passed. 

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 as a no-show with the loss of a two-night fee.

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If you need to shorten your trip or cancel your picnic pavilion reservation, the following guidelines and fees apply. You can manage your booking at MiDNRReservations.com or call 800-447-2757.

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

The reservation fee – $8 for online bookings or $10 via the call center – is nonrefundable. Additionally, one of the following will be assessed.

• Cancellations made any time after processing this reservation until the close of business the day before your scheduled arrival date will receive a full refund minus a $10 processing charge. 
• If you cancel or modify your stay on the day of arrival, you'll be charged the entire reservation rate plus a $10 processing charge.

Reservations are held until 8 p.m. on the scheduled arrival date. Failure to register on arrival will result in a no-show cancellation with the loss of all fees

Camping and overnight lodging reservations are held until 3 p.m. one day after the scheduled arrival date. Failure to check in within 24 hours of the check-in time will result in a “no-show” status and will incur the loss of two nights' fees, the reservation fee, $10 cancellation fee and the reduced-stay fee.

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.