The Indian River is a river in Washington County

Washington County, Maine

Washington County is a county located in the U.S. state of Maine. In 2010, its population was 32,856. Its county seat is Machias.Sometimes referred to as "Sunrise County" because it is the easternmost county in the United States, and it is often where the rising sun first shines on the 48...

, Maine

Maine

Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is both the northernmost and easternmost...

. From its source (44.6742°N 67.7025 °W) in Columbia Falls

Columbia Falls, Maine

Columbia Falls is a town in Washington County, Maine, United States. The population was 599 at the 2000 census.-History:The town began as Township 13 SD, BPP, which was joined together with Township 12 by the Massachusetts General Court on February 8, 1796 and incorporated as Columbia. It was...

, the river runs about 12.7 miles (20.4 km) south to its estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 at the village of Indian River in the town of Addison

Addison, Maine

Addison is a town in Washington County, Maine, United States. The town was named after English author Joseph Addison. The population was 1,209 according to the 2000 census.-Geography:...

. The tidal portion of the Indian River extends another 3.6 miles (5.8 km) south and then west to Wohoa Bay, an arm of Western Bay on the Atlantic Ocean.