| Hart Lake | |
|---|---|
&sq=&lang=&file=File:Hart_Lake_(Lake_County,_Oregon_scenic_images)_(lakDA0132).jpg) North shore of Hart Lake | |
&sq=&lang=&file=File:USA_Oregon_relief_location_map.svg)  Hart Lake &sq=&lang=&file=File:Usa_edcp_relief_location_map.png) Hart Lake | |
| Location | Lake County, Oregon, US |
| Coordinates | 42°25′12″N 119°50′42″W / 42.420°N 119.845°W |
| Type | Natural endorheic lake |
| Primary inflows | Crump Lake overflow and Honey Creek |
| Catchment area | 1,094 square miles (2,830 km2) |
| Max. length | 6.5 mi (10.5 km) |
| Max. width | 2.0 mi (3.2 km) |
| Surface area | 7,324 acres (29.64 km2) |
| Average depth | 5 ft (1.5 m) |
| Max. depth | 11 ft (3.4 m) |
| Water volume | 39,427 acre-feet (48,632,000 m3) |
| Residence time | 6 months |
| Shore length1 | 20.7 mi (33.3 km) |
| Surface elevation | 4,473 ft (1,363 m) |
| 1 Shore length is not a well-defined measure. | |
Hart Lake is a shallow lake in the Warner Valley of eastern Lake County, Oregon, United States. The lake covers 7,324 acres (29.64 km2) and has the most stable water level within the valley's Warner Lakes chain. The lake is named for the heart-shaped brand used by the pioneer Wilson and Alexander cattle ranch established near the lake. Much of the land around Hart Lake is administered by the Bureau of Land Management (BLM) and the United States Fish and Wildlife Service (FWS). The lake and the surrounding wetlands support a wide variety of birds and other wildlife. Recreational opportunities on and near Hart Lake include hunting, fishing, bird watching, and boating.