Powder Ridge Ski Area is a ski area located in Middlefield, Connecticut. It began operations on January 22, 1961, closed in 2007, and reopened in 2013 as Powder Ridge Mountain Park & Resort. It is located on Besek Mountain. Powder Ridge Park is affiliated with the Brownstone Exploration and Discovery Park in the Portland Brownstone Quarries in nearby Portland, Connecticut.

Middlefield is a town in Middlesex County, Connecticut, United States. The town is part of the Lower Connecticut River Valley Planning Region. The population was 4,217 at the 2020 census. The town includes the village of Rockfall in the northeast section.