| Lake Khasan | |
|---|---|
| Location | Khasansky District, Primorsky Krai |
| Primary outflows | Tanbogatyi River |
| Basin countries | Russia |
| Surface area | 2.23 km² |
Lake Khasan (Russian: озеро Хасан) is a small lake in Khasansky District, Primorsky Krai of Russia, on the border with North Korea, 130 km southwest of Vladivostok. It has a surface area of 2.23 km2. The Tanbogatyi River flows from the lake. The lake, described as "the tight corner where the territories of Korea, Manchuria, and Russia meet",[1] was the site of the Battle of Lake Khasan in summer 1938.