Arbuthnot Lake, Arbuthnet Lake, or Lower Chain Lake is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the Mount Baker Wilderness

Mount Baker Wilderness

Mount Baker Wilderness in northern Washington, USA,contains . Its eastern border is shared with the boundary of the North Cascades National Park for a distance of 40 miles . The Wilderness extends from State Route 20 north to the Canadian border...

 Area, in Whatcom County

Whatcom County, Washington

Whatcom County is a county located in the U.S. state of Washington. Its name ultimately derives from the Lummi word Xwotʼqom, meaning "noisy water." As of 2010, the population was 201,140. The county seat is at Bellingham, which is also the county's largest city...

, Washington, United States

United States

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

. It is one of the Galena Chain lakes. At one end of the lake is "Arbuthnot Falls".

“Arbuthnot was suggested 1906 as an appropriate name for the fourth lake, after James Arbuthnot, of Arbuthnot and Davis the two miners who tunnelled through the ridge between it and Natatorium Lake and with 52 sticks of giant powder blew out the face of the tunnel and lowered the surface of Natatorium 9 feet by drawing off the water through this drainage tube, for the purpose of exposing a vein of ore just in the edge of the lake.”