Cheomseongdae Observatory

Cheomseongdae Observatory, constructed during the reign of Queen Seondeok (r. 632-647), is one of the landmarks of Gyeongju. The observatory was built in a cylinder shape at approximately 9 meters in height. The observatory consists of 365 stones, symbolizing the number of days in a year. The rocks are piled in 27 layers symbolizing the 27th ruler, Queen Seondeok, and the days in a lunar month by adding the of two rock layers on top.◎ Travel information to meet Hallyu’s charm - "A Good Day to Be a Dog"Cheomseongdae Observatory, where Bo-gyeom and Ji-ah, bound by a special fate, encounter each other, is the landmark that represents the city of Gyeongju and one of the oldest astronomical observatories in the world. In addition to its superlative value as a historical site, it is also popular as a tourist destination thanks to flowers and plants that bloom each season. Official location: 140-25 Cheomseong-ro, Gyeongju-si, Gyeongsangbuk-do. Visiting hours: Summer season 09:00-22:00 Winter season 09:00-21:00. Closure information: N/A (Open all year round). Parking: Available. Information contact: Gyeongju Station Tourist Information Center +82-54-772-3843. Plan this visit using the official information above as the baseline. Operating hours, admission conditions, programs, access rules, and parking arrangements can change after this review, so confirm the latest notice on the linked official website before departure. This is especially important when a visit depends on a particular exhibition, guided program, seasonal activity, reservation, or accessibility service. Cheomseongdae Observatory (경주 첨성대) is presented here as a destination rather than as a commercial listing. The description focuses on the setting and visitor experience documented by the Korea Tourism Organization. Respect residential, religious, ecological, and cultural-property rules where they apply, and use the official contact for questions that affect access or safety.