| Langdon Lake | |
|---|---|
| Langdon Lake with part of Tollgate on the far bank. | |
| Location | Umatilla National Forest, Umatilla County, Oregon, USA |
| Coordinates | [1] |
| Lake type | Reservoir |
| Primary inflows | Morning Creek |
| Primary outflows | Lookingglass Creek |
| Basin countries | United States |
| Surface elevation | 4,902 ft (1,494 m)[1] |
| Settlements | Tollgate |
Langdon Lake is reservoir located in the Umatilla National Forest of Northeastern Oregon, United States.[2] It is an impoundment of Morning Creek,[3] and the source of Lookingglass Creek, a tributary of the Grande Ronde River.
Surrounding the lake is the small community of Tollgate. The lake is privately owned but a campground is nearby.[2]