Lake Dorothy
| Lake Dorothy | |
|---|---|
| Location | King County, Washington |
| Coordinates | 47°35′18″N 121°23′7″W / 47.58833°N 121.38528°W |
| Primary outflows | Miller River |
| Basin countries | United States |
| Surface area | 260.90 acres (105.58 ha) |
| Surface elevation | 3,062 ft (933 m) |
| Islands | 9 |
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Lake Dorothy is a lake in King County, Washington. First labeled on Oliver P Anderson's "New Map of the County of King, State of Washington, 1894"; the name was bestowed by Anderson for his daughter Dorothy Louise Anderson (1893-1912), a member of Sigma Kappa sorority. It is one of the largest lakes in the area and is the source of the East Fork Miller River.