Sobaeksan (Sobaek Mountain) 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 (4,721 ft).

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

See also

• Sobaeksan National Park
• List of mountains in Korea