Maine State Prison

The Oyster River is a tributary of the Saint George River in Knox County, Maine. From its source (44°11′29″N 69°09′42″W) in Rockport, the river runs 12.5 miles (20.1 km) south and southwest to its confluence with the Saint George. Its lower third forms the border between Warren and Thomaston.

Cushing is a town in Knox County, Maine, United States. The population was 1,502 at the 2020 census. A favorite of artists for its unspoiled natural setting, Cushing includes the villages of North Cushing, Cushing, South Cushing, and Pleasant Point.

The Thomaston Historic District encompasses much of the historic town center of Thomaston, Maine. With a settlement history dating to the 17th century, the town is now a showcase of 19th-century architectural styles up to the 1870s. The district extends for about 2 miles (3.2 km) along United States Route 1, and was listed on the National Register of Historic Places in 1974.

Thomaston is a census-designated place (CDP) comprising the main village in the town of Thomaston in Knox County, Maine, United States. The population was 1,875 at the 2010 census, out of 2,781 in the town of Thomaston as a whole.

Thomaston, formerly known as Fort St. Georges, Fort Wharf, and Lincoln, is a town in Knox County, Maine, United States. The population was 2,739 at the 2020 census. Noted for its antique architecture, Thomaston is an old port popular with tourists. The town was named after Major General John Thomas.

Warren is a town in Knox County, Maine, United States. The population was 4,865 at the 2020 census. It includes the villages of East Warren, Warren and South Warren, the latter home to the Maine State Prison and minimum security Bolduc Correctional Facility.

St. George is a town in Knox County, Maine, United States. It includes the villages of Port Clyde and Tenants Harbor, with the latter being town's commercial center. A favorite with artists, writers and naturalists, St. George is home to the Brothers and Hay Ledge nature preserve, comprising four islands off Port Clyde. The town's population stands at 2,594 residents, according to the 2020 Census.

The Mill River is a tributary of the Saint George River in Thomaston, Maine. From the confluence (44°05′57″N 69°10′03″W) of Branch Brook and Meadow Brook, the river runs 2.7 miles (4.3 km) south to the head of the estuary of the Saint George.

The East Branch Oyster River is a tributary of the Oyster River in Knox County, Maine. From its source (44°09′03″N 69°08′29″W) in Rockland, the stream runs 4.8 miles (7.7 km) southwest to its confluence with the main stem of the Oyster River, on the border between Warren and Thomaston.

The Georges River Canal, also known as the General Knox Canal was a short-lived canal that operated on and near the course of the Saint George River in Knox and Waldo Counties in south-central Maine. First owned and operated by American Revolutionary War General Henry Knox between 1794 and 1806, it was briefly revived in 1847–50, but was not financially successful. It provided for transport of goods from near the river's headwaters in Searsmont to the head of navigation at Warren. A few elements of the canal survive today, and its route was listed on the National Register of Historic Places in 1970.

The Finnish Congregational Church and Parsonage is a historic church at 172 St. George Road in South Thomaston, Maine, United States. Built in 1921, with the parsonage (now a Finnish heritage center) added about 1925, the church represents one of the earliest formal expressions of Finnish-American culture in the region. The buildings were listed on the National Register of Historic Places in 1994.

The West Branch Oyster River is a 3.3-mile-long (5.3 km) tributary of the Oyster River in Warren, Maine. From its source (44°08′57″N 69°12′47″W), the stream runs about 2 miles south and 1 mile east to its confluence with the main stem of the Oyster River.