Question: where does the penobscot river start and end

title: Penobscot River
text: 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 ﻿ / ﻿ 45.604 ° N 68.531 ° W ﻿ / 45.604 ; - 68.531 ﻿ ( Penobscot River source ) ) , the Penobscot flows 109 miles ( 175 km ) south , past the city of Bangor , where it becomes navigable . Also at Bangor is the tributary Kenduskeag Stream . It empties into the Atlantic Ocean in Penobscot Bay . It is home to the Penobscot people that live on Indian Island . 

Answer: answer: The Penobscot River arises from four branches in several lakes in north - central Maine.
After uniting the West Branch with the East Branch at Medway, it flows past the city of Bangor.
It empties into the Atlantic Ocean in Penobscot Bay .