Je 1 Yeonhwabong

Sobaeksan is a mountain of the Sobaek Mountains, in South Korea. It lies between Danyang County in the province of North Chungcheong Province and the city of Yeongju in the province of North Gyeongsang Province. It has an elevation of 1,439 m.

The Korea Astronomy and Space Science Institute operates an observatory on this mountain.

Source: Wikipedia