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109 miles

Penobscot River

Maine's big central river flows from the north woods past Millinocket, Medway and Old Town to Bangor, where it turns tidal, then widens through Bucksport into Penobscot Bay.

N25 mi
Course of the river, simplified. Map data from Natural Earth (public domain).

Weather at the Penobscot River (National Weather Service) ↗

River facts

Length109 miles
SourceLakes of north-central Maine, fed by four branches
MouthPenobscot Bay on the Atlantic Ocean
StateMaine

Great Works and Veazie dams were removed in 2012-2013; Milford Dam gained a fish ladder and Howland Dam a fish bypass.

Boat ramps, launches and bait shops

Detailed ramp, bait shop and lock-and-dam listings for the Penobscot River are coming soon. Until then, these searches open Google Maps along the river:

Fishing regulations

Check the state agency for river-specific rules, seasons and limits before you fish:

Lakes on or near the Penobscot River

Lakes in our guide on or near this river:

Facts from Penobscot River (Wikipedia) ↗

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View on interactive map

Zoom and pan on a street, satellite or terrain map to follow the river past roads and towns. Boat ramps, bait shops and locks will be added to this map.