A tributary of the St. John River, appx. 92 miles long and flows northeast. Features several mountain lakes such as Long Lake, Umsaskis Lake, and Churchill Lake.
The Allagash River is a tributary of the St. John River, approximately 92 mi (150 km) long, in northern Maine in the United States. It drains a remote and scenic area of wilderness in the Maine Woods north of Mount Katahdin.