West Hartford Reservoir
The tower is: "The 165-foot-tall (50 m) Heublein Tower (pronounced HIGH-bline)[1] located in Talcott Mountain State Park in Connecticut (USA) provides panoramic views of the Hartford skyline and the Farmington River Valley that are particularly spectacular in the fall. It was listed on the National Register of Historic Places in 1983.Gilbert Heublein was a magnate in the area of food and beverage, most notably as manufacturer of A1 Steak Sauce and Smirnoff Vodka; he founded Heublein Inc.
While hiking with his fiance Louise M. Gundlach on Talcott Mountain, he promised her that one day he would build her a castle there." Wikipedia