The term CITY ON THE PENOBSCOT can be summarized by three crossword solutions: BANGOR (6 letters), Orono (5 letters), and BangorMaine (11 letters). BANGOR is the largest city in Maine, located on the Penobscot River. It is the county seat of Penobscot County and the principal city of the BANGOR metropolitan area. Orono is a town in Penobscot County, located on the Penobscot and Stillwater rivers. It is home to the University of Maine and is adjacent to BANGOR. BangorMaine is a portmanteau of BANGOR and Maine, referring to the city of BANGOR and its location in the state of Maine.