The Kennebunk River is a 17.6 miles (28.3 km) river in southern 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...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It drains a settled rural area southwest of Portland

Portland, Maine

Portland is the largest city in Maine and is the county seat of Cumberland County. The 2010 city population was 66,194, growing 3 percent since the census of 2000...

, emptying into the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

.

It rises in central York County

York County, Maine

York County is a county located in the U.S. state of Maine. In 2010, the population was 197,131. Its county seat is Alfred.Founded in 1636, it is the oldest county in Maine and one of the oldest in the United States....

, at the junction of Carlisle Brook and Lords Brook in the town of Lyman

Lyman, Maine

Lyman is a town in York County, Maine, United States. The population was 3,795 at the 2000 census. It is part of the Portland–South Portland–Biddeford, Maine metropolitan statistical area...

. Lords Brook issues from Kennebunk Pond in Lyman. The Kennebunk River flows generally southeast, passing under Interstate 95

Interstate 95 in Maine

In the U.S. state of Maine, Interstate 95 is a long highway running from the New Hampshire border near Kittery, to the Canadian border near Houlton. It is the only two-digit Interstate Highway in Maine...

 and U.S. Route 1

U.S. Route 1

U.S. Route 1 is a major north–south U.S. Highway that serves the East Coast of the United States. It runs 2,377 miles from Fort Kent, Maine at the Canadian border south to Key West, Florida. U.S. 1 generally parallels Interstate 95, though it is significantly farther west between...

. It flows past the town center of Kennebunkport

Kennebunkport, Maine

Kennebunkport is a town in York County, Maine, United States. The population was 3,720 at the 2000 census. It is part of the Portland–South Portland–Biddeford metropolitan statistical area....

, where it becomes navigable, and enters the Atlantic in Kennebunkport, approximately one-half mile (1 km) downstream from the town center.