Bohyeonsan

Bohyeonsan or Bohyeon Mountain or Mount Bohyeon is located in the province of North Gyeongsang Province, eastern South Korea. Its peak has an elevation of 1121 m, and is near the city of Yeongcheon.

The Bohyeon Mountain Starlight Festival takes place in summer and is centered in the Bohyunsan Optical Astronomy Observatory, which was established in 1996.

This observatory houses the third-largest telescope in Korea, which is the country's largest optical instrument. This 1.8-meter reflecting telescope was built near the peak. There is also a Bohyeon Mountain Science Museum, situated just below the observatory, run by the Yeongcheon City Government.