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Address: Koebmagergade 52A, Copenhagen 1150, Denmark
Phone Number: 33 73 03 73
Recommended length of visit: 1-2 hours
Fee: Yes

The Round Tower Lookout Tower – Observatory – Exhibitions – Concerts.One of...

The Round Tower Lookout Tower – Observatory – Exhibitions – Concerts.One of the best-known and most popular structures in Denmark, the Round Tower has been a distinctive feature of the Copenhagen skyline since 1642. The Tower once soared far above the rest of the rooftops in the city, and University astronomers studied the stars and planets from the Observatory at the top. The scholars may have forsaken the building a long time ago, but during the winter visitors are still able to gaze at the cosmos from Europe's oldest functioning observatory. The platform that runs around the outside of the Observatory affords views over the old Latin Quarter – from here, you can spot most of the city's famous buildings. The Round Tower does not have an elevator, so visitors have to climb the winding, white-washed Spiral Walk, where kids often hide in the niches, only to jump out shouting “boo!” as adults approach. Halfway up the tower is the entrance to the large and stunningly beautiful Library Hall, which now serves as a popular gallery and concert venue. It hosts several exhibitions a year, and stages concerts almost every week. Above the Library is the Bell Loft, notable for its enormous wooden beams, which were used in the reconstruction of the Tower following the great fire of Copenhagen in 1728. The Loft is also home to a small exhibition of fascinating artefacts from the Tower's history, including Christian IV's wax seal, a tin of medicine produced by Tycho Brahe, and a piece of the bomb that exploded in the Library Hall during the bombardment of Copenhagen in 1807.The Round Tower was built by Christian IV between 1637 and 1642. It was the first part of the Trinitatis Complex, which combined church, library and observatory in a single building.

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TripAdvisor Reviewer Highlights

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Amazing Architecture from the 17th Century

Your guidebook may refer to this as the Round Tower but locals us the Danish name if you're asking directions. Its either part of the University or next door and was built as an... read more

5 of 5 starsReviewed yesterday
Windsor, Canada
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4,047 Reviews from our TripAdvisor Community

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Showing 2,188: English reviews
Windsor, Canada
Level Contributor
463 reviews
206 attraction reviews
common_n_attraction_reviews_1bd8 302 helpful votes
5 of 5 stars Reviewed yesterday NEW

Your guidebook may refer to this as the Round Tower but locals us the Danish name if you're asking directions. Its either part of the University or next door and was built as an observatory. You can walk up the unusual ramp style spiral hallway with steps near the top with average effort and see great views of the downtown... More 

Thank jfarlam
Greater London, United Kingdom
Level Contributor
41 reviews
10 attraction reviews
common_n_attraction_reviews_1bd8 14 helpful votes
5 of 5 stars Reviewed yesterday NEW

The Rundetaarn is in Central Copenhagen and provides great views of the city. At 25 DKR it was also the cheapest attractions. It is unique in my experience in that it is not many stairs - but a 7 person wide concrete rising into the sky. It also has a large exhibition hall half way up which had, on my... More 

Thank Jim W
North Wales
Level Contributor
77 reviews
12 attraction reviews
common_n_attraction_reviews_1bd8 68 helpful votes
5 of 5 stars Reviewed yesterday NEW

This tower can not be fully appreciated unless you walk to the top. It's construction is amazing and the views from the top on a sunny day are brilliant. As the tower has an internal ramp pretty much all the way to the top we were able to go up with the push chair. There are just a few steps... More 

Thank Claretp
Glasgow, United Kingdom
Level Contributor
85 reviews
14 attraction reviews
common_n_attraction_reviews_1bd8 48 helpful votes
4 of 5 stars Reviewed 2 days ago NEW via mobile

This is a historic observatory built in the 18th Century and has an amazing circular core around which you walk up on a ramp to reach the top. It's not high by modern standards but it affords great views over Copenhagen spoiled a bit by construction cranes in the way and you can take panoramas with your iPhone. There is... More 

Thank Drew I
Level Contributor
40 reviews
7 attraction reviews
common_n_attraction_reviews_1bd8 25 helpful votes
5 of 5 stars Reviewed 3 days ago NEW

Would recommend this to everyone! The Rundetaarn is so central to Copenhagen and so cheap to visit, you would be mad not to pay it a visit. There are superb 360 views of CH from the top and it's not a laborious walk to reach it.

Thank Emma112233
Edinburgh, United Kingdom
Level Contributor
22 reviews
9 attraction reviews
common_n_attraction_reviews_1bd8 5 helpful votes
2 of 5 stars Reviewed 4 days ago NEW

This is a fairly plain tower in the old university district (Latin Quarter) built in the C17 and used as an observatory until 1861. There is a good view from the top, apparently. I wanted to ascend this tower particularly, as I am not very good negotiating enclosed spiral stairways with little or no room to pass. This tower has... More 

Thank Stuart W
Onalaska, Wisconsin
Level Contributor
71 reviews
43 attraction reviews
common_n_attraction_reviews_1bd8 19 helpful votes
4 of 5 stars Reviewed 4 days ago NEW

Beautifully constructed round tower with winding brick surface (ramp). Nice views from the top and the arch windows with leaded glass on the way up. make for artsy photos. Nice that they have a room off the tower that shows the solid wood beam supports and a peek at the bells of the church. Another room for an art exhibit.... More 

Thank CatzandMike
Atlanta, Georgia
Level Contributor
17 reviews
7 attraction reviews
common_n_attraction_reviews_1bd8 5 helpful votes
5 of 5 stars Reviewed 4 days ago NEW

This is a really cool tower that was built in the 1600's. It has a wonderful view of the city from right in the center. It is a spiral walkway all the way up, so if you have a hard time climbing hills, it might not work for you.

Thank CayceCallaway
Tacoma, Washington
Level Contributor
32 reviews
11 attraction reviews
common_n_attraction_reviews_1bd8 7 helpful votes
5 of 5 stars Reviewed 5 days ago NEW via mobile

A great place to see some beautiful views of Copenhagen. We got here right when it opened and there was no line. There aren't really any stairs, just a huge spiral ramp. I would definitely recommend stopping by here!

Thank Stephanie0988
Essex, United Kingdom
Level Contributor
116 reviews
72 attraction reviews
common_n_attraction_reviews_1bd8 62 helpful votes
4 of 5 stars Reviewed 5 days ago NEW

Spiral ramp most of the way with tight steps at end. Couple of side galleries with interesting stuff. As it isn't hugely tall the view and feel of the surrounds makes it feel so much more worthwhile- you won't see much miles and miles away but will get a local feel.

Thank Awayagain2014

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Staying in Indre By (Inner City)

Neighborhood Profile
Indre By (Inner City)
This is the heart of old town Copenhagen, with its blend of charming old buildings and bold new architecture, broad avenues and tiny streets as well as picturesque canals and a modern harbor. The inner city is home to the Royal Danish Theatre, which consists of three buildings, two of which are new and situated on the harbor front. The streets, squares and venues of the inner city and its surrounding neighborhoods, are alive all year round with everything from jazz festivals to outdoor ice skating rinks and parachuting at the lakes right in the center of the city. This compact area boasts beautiful old castles, tranquil parks, and bustling squares where you can always find a bench to stretch out your legs whenever you need a break.