Snake Species: Vipera spp., European vipers
Distribution of Terrestrial Snakes in The Far East
Vipera altaica
Vipera berus
| Asian Russia | S | including Sakhalin Island & Shantar Islands |
| China (north of 35°N) | NW+NE | |
| Kazakhstan | X | |
| Mongolia | N | |
| North & South Korea | N | North Korea |