Built in 1442 on a surviving tower of the Ming city wall, it is one of the oldest observatories in the world. On the 15 m platform stand the bronze armillary spheres and quadrants made by Jesuit astronomers for the Qing court, beside the Jianguomen flyovers.
- Address
- 2 Dongbiaobei Hutong, Jianguomen, Dongcheng District
- Hours
- Mon and Wed-Sun 09:00-16:30 (last entry 16:00); closed Tue except national holidays (bjp.org.cn, 2026)
- Best time to go
- Morning, Afternoon · About 1 h
- Price
- Price not verified
- Price level
- ¥
Details can change. Check hours and prices before you go.
Good to know
- Note the Tuesday closing, unusual for Beijing (bjp.org.cn).
- Lonely Planet (2025) lists it among the lesser-known museums worth getting off the beaten path for.