Built on the peak of Mt. Bongnaesan (799.8 meters) in Yeongwol, Byeolmaro is Korea’s largest astronomical observatory. The term ‘Byeolmaro’ combines the words ‘byeol’ (star), ‘ma’ (peak) and ‘ro’ (peaceful). Together, they collectively represent the wish to view stars in a clean and peaceful environment.The observatory has a total of 11 telescopes, including the nation’s largest telescope with a diameter of 80 centimeters and 10 supplementary telescopes. Inside the building, there is an astronomy gallery, audio & visual material room, and both main and auxiliary observation rooms. Located in a mountainous region in the inland of Gangwon-do, Yeongwol has a clean natural environment free from pollution. As such, it has an annual average of 192 days of clear skies (50%) for star viewing.* The nation’s largest star observatory* Located 800 meters above sea level for optimum viewing* Combine your visit with rafting, caves, or paragliding* Has the biggest astronomical telescope of 80 centimeters in diameter* Enjoy the forest, self-control training center, and outdoor stage in the woods