&sq=Qlik&lang=&file=File:Question_book-new.svg){kind=small} | This article needs additional citations for verification. (April 2014) |
| Ross Lake | |
|---|---|
&sq=Qlik&lang=&file=File:Ross_Lake.jpg) Ross Lake, 2012 | |
&sq=Qlik&lang=&file=File:USA_Washington_relief_location_map.jpg)  Ross Lake &sq=Qlik&lang=&file=File:Canada_British_Columbia_relief_location_map.jpg) Ross Lake &sq=Qlik&lang=&file=File:North_America_laea_relief_location_map.jpg) Ross Lake | |
| Location | Ross Lake National Recreation Area, Whatcom County, Washington, United States; Skagit Valley Provincial Park, British Columbia, Canada |
| Coordinates | 48°43′54″N 121°04′02″W / 48.73167°N 121.06722°W |
| Lake type | reservoir |
| Basin countries | United States, Canada |
| Max. length | 23 mi (37 km) |
| Max. width | 1.5 mi (2.4 km) |
| Max. depth | 540 ft (160 m) |
| Surface elevation | 1,604 ft (489 m) |
| Islands | Cat Island, Tenmile Island, Little Jerusalem Island, Cougar Island |
| Settlements | none |
Ross Lake is a large reservoir in the North Cascade mountains of northern Washington state, United States, and southwestern British Columbia, Canada. The lake runs approximately north–south, is 23 miles (37 km) long, up to 1.5 miles (2.5 km) wide, and the full reservoir elevation is 1,604 feet above sea level (489 m).
The U.S. portion of Ross Lake is in the Ross Lake National Recreation Area. North Cascades National Park is adjacent to the west and south, while the Pasayten Wilderness is east of the lake. In British Columbia the lake is a part of Skagit Valley Provincial Park, and Manning Provincial Park is nearby to the east.