The 19-mile Pemaquid River starts at Tobias Pond in Waldoboro and ends at Johns Bay, Bristol, Maine.

Distances from south to north: The Pemaquid River watershed covers parts of six towns and is 46.9 square miles in size, of which 5.4 sq miles is water and 41.5 sq miles is land.

It also includes the coastline down to Pemaquid Point on Johns Bay on the west side of the peninsula.

The Pemaquid River watershed includes 11 ponds.

This article related to a river in Maine is a stub.