Observatory visitor guide

Rundetaarn Observatory

Copenhagen, Denmark

  • Public telescope nights
  • Heritage observatories
  • Education programs

Your visit plan

Plan this visit

Choose your day; the official program confirms access and admission.

Access
The current season runs October 5, 2026–March 30, 2027, Mondays and Tuesdays 18:00–21:00. Tower opening hours are broader.
Booking
Ordinary tower tickets are sold at the entrance; there is no advance purchase except for special events.
Sky planning, reminders & app

Sky planning shows computed Moon and darkness estimates. Times use approximate local solar time; confirm the venue’s local clock and official session times. Clouds and telescope targets depend on conditions and the operator.

Rundetaarn ObservatoryDates flexible · Admission separate

Save a visit idea on this device. Confirm admission with the venue.

Official dated programs

What’s on at Rundetaarn Observatory

Published dates from the same Events catalog. Confirm the current program, tickets and any weather or access changes with the venue.

Checking published dates and source-review windows…

Check the official program ↗

What to expect

Climb Copenhagen’s Round Tower for its historic observatory, restored in 2026, and staff-led evening telescope viewing.

  • Observatory or telescope on site
  • Exhibits or museum
  • School or youth programs

Visitors can look through the restored 1929 refractor during staffed sessions, when weather permits.

Admission & booking

Who can visit
The current season runs October 5, 2026–March 30, 2027, Mondays and Tuesdays 18:00–21:00. Tower opening hours are broader.
How to arrange a visit
Ordinary tower tickets are sold at the entrance; there is no advance purchase except for special events.
Price
Adults DKK 60, students with ID DKK 40, ages 0–17 free. Ordinary observatory access is included in tower admission.
Visit length
Not stated for an individual visit; the published observing window is 18:00–21:00.

Before you go

Languages
Not stated in the official information reviewed; confirm with the operator.
Accessibility
The listed tower has no lift and a narrow final staircase, making it unsuitable for wheelchair and pushchair access.
Clouds & cancellations
Cloud and rain may prevent sky viewing. Staff still welcome visitors into the observatory to explain its dome, telescope and astronomy.
Getting there
Købmagergade 52A, central Copenhagen. Follow the tower’s spiral ramp and the final stairs to the rooftop observatory.

Practical visit conditions

These details apply to the specific programs described. Unknown details remain open questions for the venue.

Individual visits
The current season runs October 5, 2026–March 30, 2027, Mondays and Tuesdays 18:00–21:00. Tower opening hours are broader. (Documented) · Source 1 ↗
Group visits
This separate condition is not established in the official visitor information reviewed. Ordinary tower tickets are sold at the entrance; there is no advance purchase except for special events. (Not published)
Booking
Ordinary tower tickets are sold at the entrance; there is no advance purchase except for special events. (Documented) · Source 1 ↗
Age guidance
This separate condition is not established in the official visitor information reviewed. The current season runs October 5, 2026–March 30, 2027, Mondays and Tuesdays 18:00–21:00. Tower opening hours are broader. (Not published)
Language support
This separate condition is not established in the official visitor information reviewed. Not stated in the official information reviewed; confirm with the operator. (Not published)
Accessibility
The listed tower has no lift and a narrow final staircase, making it unsuitable for wheelchair and pushchair access. (Documented) · Source 1 ↗ · Source 2 ↗

Learning at the venue

Exhibits or museum
Yes
Planetarium or theater
No
School or youth programs
Yes

Plan around the sky

Choose the venue’s program first, then check Moon timing and darkness for the location. The objects available at a telescope depend on the date, weather and the operator’s program.

Choose a date for sky planning →

Tonight shows a computed Moon and darkness estimate for the current night. It does not establish future weather, an observing session or admission.

Published observing season: Oct, Nov, Dec, Jan, Feb, Mar. Check the official calendar for specific dates.

Find your way

Købmagergade 52A, central Copenhagen. Follow the tower’s spiral ramp and the final stairs to the rooftop observatory.

Approximate facility location: 55.681, 12.576. Confirm the visitor entrance before travelling.Location source ↗Official directions & visitor information ↗

Sources & review dates

Visitor details reviewed October 19, 2026. Each source below identifies the details it supports. Recheck official prices, schedules and access before travel.

Confirm with the venue: visit length, languages. These details are not verified in the official information reviewed.