Cheomseongdae Observatory

경주 첨성대 · Gyeongbuk · Viewpoints

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.

Getting there

From Korea Tourism Organization open data. Hours and admission change with the season and on public holidays — confirm with the venue before a long trip.

What's on nearby

Events run on fixed dates — check these against your own trip. Trip Planner shows everything on for the days you are in Korea.

• Dec 2, 2025 – Dec 31, 2026NEW! The Gyeongju: A Chronicle · 3.3 km away
• Nov 7, 2026Peace On: Dam · right next door

Within walking distance

600 m walk

Gyeongju Wolseong Palace Site (Banwolseong Fortress)

700 m walk

Gyeongju Historic Area [UNESCO World Heritage]

800 m walk

Gyeongju Hwangnidan Street

900 m walk

Hwangnambbang

900 m walk

Cheonmachong Tomb (Daereungwon Ancient Tombs)

900 m walk

Gyeongju Hanbokpan

900 m walk

Gyeongju Daereungwon Ancient Tomb Complex

900 m walk

Gyeongju Ssambap Street