Monument · Indre By, Copenhagen

Round Tower

Round Tower
Photo: Avda, CC BY-SA 3.0 via Wikimedia Commons

Built in 1642 by King Christian IV, the Round Tower served as an astronomical observatory for the University of Copenhagen. It features a 209-meter spiral ramp to the top instead of stairs. Look out for the old library hall and panoramic views from the observation deck.

Updated September 27, 2026On day 3 of Copenhagen: Weekend Escape

Visiting Round Tower: what to know

Tickets
Admission charged; check rates at the entrance
Time needed
30 to 60 minutes
Best time
Weekday mornings for fewer visitors
Getting there
Short walk from Nørreport station

Copenhagen itineraries with Round Tower

Day 3 of Copenhagen: Weekend Escape

Rosenborg and the old city

How Round Tower fits into a day.
  1. 10:00Rosenborg CastleIndre By
  2. 12:00King's GardenIndre By
  3. 13:30Round TowerIndre By
  4. 15:00StrøgetIndre By
  5. 16:30Christiansborg PalaceSlotsholmen
See all 3 days
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Round Tower FAQs

How do you get to the top of the Round Tower?

A 209-meter spiral ramp leads to the observation deck without any stairs.

What can you see from the Round Tower?

The top offers views across Copenhagen's rooftops and the city skyline.

Is the Round Tower still used as an observatory?

The original observatory function ended long ago, though the site now hosts exhibitions and events.

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