During the Open Season (May 19, 2017 -October 29) reservations are not made for groups fewer than five. Tours are offered as first-come-first-served. The site is open Wednesday-Sunday from September 1-October 29, 2017 from 9:30-5:00.
During the offseason (November 1, 2017- late May 2018), tours are offered by reservation only based on staff availability Monday-Friday. Please contact us at least two weeks in advance at 617-566-7937 to make your reservation, or email us. In your email, please indicate the desired date and time of your visit, the number of people in your group, and provide a phone number.
PermitsSome uses of the site, including filming or photographing the interior for commercial purposes, require a permit. Download the application here. Please contact the Supervisory Ranger at 617-566-7937 or submit application by email to begin the permit process.