The Piscataquis River is a major tributary of the Penobscot River, found in Piscataquis County, Maine, United States. It starts from the confluence of its East Branch and West Branch (45°16′54″N 69°35′24″W) in Blanchard. The river flows in a mostly eastern direction until it meets the Penobscot at Howland. It is approximately 65 miles (105 km) in length.The United States government maintains three river flow gauges on the Piscataquis river. The first is at Blanchard (45°16′02″N 69°35′03″W) where the rivershed is 118 square miles (306 km2). Flow here has ranged from 7,550 to 4.8 cubic feet per second (0.14 m3/s). ... Source: Wikipedia