Old Furnace State Park

Old Furnace State Park is a Connecticut state parks in Killingly, Windham County, Connecticut in the United States. The park is 367 acres (149 ha) and sits at an elevation of 390 feet (120 m). Old Furnace State Park is open for year-round recreation and is located in Eastern Connecticut east of Interstate 395, south of U.S. Route 6 and north of Connecticut Route 695. The park is the site of a former iron furnace. It was established as a town park in 1909 before being transferred to the state in 1918. Old Furnace State Park is open for year-round recreation including hiking, hunting, fishing and boating. The 3-mile (4.8 km) long Connecticut Forest and Park Association "Blue-Blazed" Old Furnace Trail hiking trail begins at the parking lot near U.S. Route 6 on the northern edge of the park. The trail crosses the park and ascends 200 feet (61 m) to a cliff. From the clifftop, visitors can look to the east and view parts of neighboring Rhode Island. Along the way, the trail crosses Furnace Brook and passes by several man-made ponds.