West Branch Penobscot River
181.8 km | 112.96 mi
Length can differ from official measure!
Kategorie 2
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The West Branch Penobscot River is a right-bank headwater of the Penobscot River in the U.S. state of Maine, approximately 190 km long. It originates in the discharge-regulated Seboomook Lake in the North Maine Woods region and flows predominantly eastward through largely untouched wilderness. Its drainage basin covers approximately 5150 km². The river is fed by the tributaries North Branch and South Branch Penobscot River, which flow into Seboomook Lake.
Course and Landscape
The West Branch is known for its Class IV and V rapids, particularly in Ripogenus Gorge, a popular destination for rafting, kayaking, and boogie boarding. Several dams, such as the Ripogenus Dam and the Seboomook Dam, regulate water flow and operate hydroelectric power plants, including the McKay Generating Station and the North Twin Generating Station.
The surrounding area is a paradise for nature lovers, with opportunities for canoeing, fishing (e.g., salmon, brook trout, largemouth bass), hunting, birdwatching, and hiking. The river is part of the Northern Forest Canoe Trail and borders the Appalachian Trail. The region offers first-class campsites and is known for wildlife viewing, especially elk.
Historically, the river was an important transportation route for the timber industry. Until 1971, logs were transported by log drives to the paper mill in Millinocket, operated by the Great Northern Paper Company. Today, the log transport route has been replaced by the private Golden Road, which runs alongside the river.
The West Branch area is part of one of Maine's largest protected lands, with 47,000 acres of state-owned land and a 282,000-acre conservation area for sustainable forestry and recreational use. The river provides habitat for important species such as the Canada lynx and the pine marten. Through projects such as the Penobscot River Restoration Project, some dams have been modernized or removed to promote fish migration, particularly of Atlantic salmon.
Cultural Significance
The river also bears the Abenaki names Abocadneticook ("stream constrained by mountains"), Kahgognamock, and Kettegwewick ("place of the great stream"). The Penobscot Nation, whose reservation lies near the main river, has a deep cultural connection to the region, which is considered the lifeline of their people. Henry David Thoreau described the river in his writings, and historical figures such as rafter David Ross shaped the folklore of the "Bangor Tigers."
The West Branch Penobscot River is a diverse body of water, prized for both its spectacular wilderness and its recreational opportunities. From challenging whitewater to tranquil canoe trips, it offers adventures for all levels, immersed in rich history and awe-inspiring natural scenery.
Course and Landscape
The West Branch is known for its Class IV and V rapids, particularly in Ripogenus Gorge, a popular destination for rafting, kayaking, and boogie boarding. Several dams, such as the Ripogenus Dam and the Seboomook Dam, regulate water flow and operate hydroelectric power plants, including the McKay Generating Station and the North Twin Generating Station.
The surrounding area is a paradise for nature lovers, with opportunities for canoeing, fishing (e.g., salmon, brook trout, largemouth bass), hunting, birdwatching, and hiking. The river is part of the Northern Forest Canoe Trail and borders the Appalachian Trail. The region offers first-class campsites and is known for wildlife viewing, especially elk.
Historically, the river was an important transportation route for the timber industry. Until 1971, logs were transported by log drives to the paper mill in Millinocket, operated by the Great Northern Paper Company. Today, the log transport route has been replaced by the private Golden Road, which runs alongside the river.
The West Branch area is part of one of Maine's largest protected lands, with 47,000 acres of state-owned land and a 282,000-acre conservation area for sustainable forestry and recreational use. The river provides habitat for important species such as the Canada lynx and the pine marten. Through projects such as the Penobscot River Restoration Project, some dams have been modernized or removed to promote fish migration, particularly of Atlantic salmon.
Cultural Significance
The river also bears the Abenaki names Abocadneticook ("stream constrained by mountains"), Kahgognamock, and Kettegwewick ("place of the great stream"). The Penobscot Nation, whose reservation lies near the main river, has a deep cultural connection to the region, which is considered the lifeline of their people. Henry David Thoreau described the river in his writings, and historical figures such as rafter David Ross shaped the folklore of the "Bangor Tigers."
The West Branch Penobscot River is a diverse body of water, prized for both its spectacular wilderness and its recreational opportunities. From challenging whitewater to tranquil canoe trips, it offers adventures for all levels, immersed in rich history and awe-inspiring natural scenery.

