Machias River
CountryUnited States
Physical characteristics
 • locationMaine
 • location
Aroostook River
 • coordinates
46°37′19″N 68°25′17″W / 46.6219°N 68.4215°W / 46.6219; -68.4215
 • elevation
530 feet (160 m)
Length33 miles (53 km)
Basin features
ProgressionAroostookSt. John Bay of Fundy

The Machias River is a major tributary of the Aroostook River, flowing 33.4 miles (53.8 km)[1] through Aroostook County in the northern part of the state of Maine, USA. From the outflow of Big Machias Lake (46°40′45″N 68°45′54″W / 46.6793°N 68.7650°W / 46.6793; -68.7650 (Machias River source)) in Maine Township 12, Range 8, WELS, the river runs southeast and east to its confluence with the Aroostook in Ashland.

The Aroostook River watershed

See also


  1. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed June 22, 2011