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The bottle-shaped stone tower of Cheomseongdae inside a low wooden fence, with burial mounds and hills behind, under a blue sky
Free entry

Basile Morin · CC BY-SA 4.0 · Source

Cheomseongdae

Cheomseongdae is a stone astronomical observatory in central Gyeongju, built during the reign of Queen Seondeok of Silla (632–647). Its bottle-shaped tower of cut granite blocks stands on a square base, has a window opening halfway up and ends in a square frame of stone beams. It is a National Treasure and part of the Gyeongju Historic Areas World Heritage Site.

Good to know

Opening hours
Mon–Sun 09:00–21:00
Price
Free entry

Hours checked October 17, 2026 · source gyeongju.go.kr

When to go

Today’s hoursAll weekHide week
Mon09:00–21:00
Tue09:00–21:00
Wed09:00–21:00
Thu09:00–21:00
Fri09:00–21:00
Sat09:00–21:00
Sun09:00–21:00

Nearby

Woljeonggyo

bridge

Daereungwon

historic site

Donggung Palace and Wolji Pond

historic site

Gyeongju National Museum

museum

Hwangnyongsa

archaeological site

Bunhwangsa

religious building

Frequently asked questions

Is Cheomseongdae free?

Yes. Entry to Cheomseongdae is free.

What are the opening hours of Cheomseongdae?

Opening hours: Mon–Sun 09:00–21:00.

Free entry

Official site

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