Three Mile Island is very popular. Reservations fill up early. All reservations postmarked between January 1 and February 1 are entered into a lottery. Reservations after February 1 are welcome, but they will be be considered after all those received between January 1 and February 1.
The camp summer season is 9 weeks long. The maximum stay is normally two weeks; an optional third week may be requested after all two-week reservations have been accommodated. Preference is given to those who reserve for full weeks. Partial weeks will be accommodated when there are vacancies, and it is often possible to make last-minute plans by calling the island phone (603-279-7626).
Summer Reservation Form
Summer Information Sheet
The fall season is 4 weekends long. You may apply for as many fall weekends as you like, whether or not you have also applied for the summer.
Fall Weekend Reservation Form
Fall Information Sheet
Summer reservations require a non-refundable deposit of $100 per person per week. Fall weekends require full payment. Please make payments separately.
To receive the rate for AMC Members, provide us with your membership number.
For both summer and fall reservations, payment in full is required if any cancelation is not received at least 45 days prior to scheduled arrival.
For fall reservations only, cancelations received prior to 45 days of scheduled arrival will be subject to a $25 per person processing fee.
Cancelation requests should be sent to the registrar, except that summer cancelations after June 15 should be addressed to the managers.
No children under 4, no pets. Full-week reservations from Sat to Sat are given preference. Applications may reserve no more than 4 cabins and no more than 12 people.
Please indicate preferred launch time with your reservation. Summer launch times are 9 AM, noon, 2 PM (Saturday only) and 5 PM. Fall launch times are usually 8:30 PM on Friday and 9:00 AM on Saturday, returning after lunch on Sunday. If there are changes, they will be mailed with your confirmation.
Reservations postmarked between January 1 and February 1 have preference.
Although reservations themselves are only accepted via the mail-in process described above, questions about the reservations process may be sent to the TMI Registrar at registrar@3mile.org.
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