| 90 Degrees East | |
|---|---|
| Location | Antarctica |
| Lake type | subglacial |
| Basin countries | (Antarctica) |
| Surface area | 2,000 km² |
90 Degrees East, also known as 90°E Lake, is a lake in Antarctica. With a surface area of about 2,000 square kilometres (770 sq mi), it is the second-largest known subglacial lake in Antarctica.