Quarry Tours

Tours of the Thornton Quarry take place on the first Saturday of June and October. All guests must be 18 years old. Tickets are $30.00 per person. Proceeds benefit the Thornton Historical Society.


You may request reservations for the tour at anytime by contacting quarrytourthorntonhs@gmail.com. Please send your name, home address, phone number and e-mail address as well as how many tickets you would like. Reservations are kept on file by date received. First in, first out. At this time, we anticipate a two—year wait.


The north lobe of the quarry was sold but the rest of the quarry remains open and plans to be work for another 75 years.

For quarry information please e-mail us at:  quarrytourthorntonhs@gmail.com.