Puget Sound Lowlands, Washington, U.S. Puget Sound (/ˈpjuːdʒɪt/) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington.

Where is the Puget Sound lowlands located?

The Puget Lowland region is a wide low-lying area between the Cascade Range to the east and the Olympic Mountains to the west. The region extends from the San Juan Islands in the north to past the southern end of the Puget Sound.

What is the sound in Puget Sound?

In areas explored by the British, the term "sound" was applied to inlets containing large islands, such as Puget Sound. It was also applied to bodies of open water not fully open to the ocean, or broadenings or mergings at the openings of inlets.