The Penobscot River (Abenaki: Pαnawάhpskewtəkʷ) is a 109-mile-long (175 km) river in the U.S. state of Maine. Including the river's West Branch and South Branch increases the Penobscot's length to 264 miles (425 km), making it the second-longest river system in Maine and the longest entirely in the state. Its drainage basin contains 8,610 square miles (22,300 km2).
It arises from four branches in several lakes in north-central Maine, which flow generally east. After the uniting of the West Branch with the East Branch at Medway (45°36′14″N 68°31′52″W), the Penobscot flows 109 miles (175 km...
Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.