A 17th-century astronomical observatory featuring a unique spiral ramp instead of stairs; built by King Christian IV for the university; the ramp is 209 metres long; walk the interior incline at 9 am; the sunlight through the deep-set windows strikes the yellow brick floor in rhythmic bars while the brickwork creates a hushed; cavernous acoustic.
About The Round Tower
A 17th-century astronomical observatory featuring a unique spiral ramp instead of stairs; built by King Christian IV for the university; the ramp is 209 metres long; walk the interior incline at 9 am; the sunlight through the deep-set windows strikes the yellow brick floor in rhythmic bars while the brickwork creates a hushed; cavernous acoustic.

The Round Tower, Denmark
Why Visit
The Round Tower is one of Denmark's defining sites — a place that rewards every visitor differently.
Insider Tips
- 1
The Round Tower is best explored on foot — take your time and soak in the atmosphere.
- 2
Visit at different times of day for a completely different perspective.
- 3
Combine your visit with nearby attractions to make the most of your time in Denmark.





