Boundary Bay is a bay situated on the Pacific coast of North America on the border between the Canadian province of British Columbia and the U.S. state of Washington.

It is a critical stop for birds migrating along the western coast, particularly for Western Sandpipers and Dunlin, and has been designated a Hemisphere Reserve by the Western Hemisphere Shorebird Reserve Network and a Canadian Important Bird Area. The mudflats and salt marshes support a rich population of marine invertebrates which are an important source of energy for migrating shorebirds.

The estuary of the Fraser River, which includes important salmon spawning habitat, is found on the bay.

The area is also used for recreational boating and includes park area and beaches. Pollution and industrial activity in the area pose potential threats to wildlife.

External Links

• Birds on the Bay