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Germany
Brandenburg

Great Refractor Observatory (Großer Refraktor), Potsdam

Discover
Places to see
Germany
Brandenburg

Great Refractor Observatory (Großer Refraktor), Potsdam

Highlight • Monument

Great Refractor Observatory (Großer Refraktor), Potsdam

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    Tips

    October 28, 2023

    Hiking

    The replica of a wing telegraph is on the Potsdam Telegrafenberg, right next to the photographic refractor. Telecommunications began in Germany with optical-mechanical telegraphy. The Royal Prussian Optical Telegraph Line is also jokingly called “The King’s Cell Phone”.
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    March 1, 2024

    Hiking

    The large refractor can also be visited on other selected evenings, weather permitting, with a view through the telescope.
    aip.de
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    April 1, 2022

    Hiking

    In Potsdam, the large double telescope erected in 1899 and the surrounding dome building on the Potsdamer Telegrafenberg are called the Great Refractor (lens telescope).
    This first observatory built specifically for astrophysics was in operation until 1968. It is now a listed building and is looked after by a support association.
    Source: de.wikipedia.org/wiki/Gro%C3%9Fer_Refractor_(Potsdam)


    Sensationally beautiful! On the day of the open monument you can visit the building and the large telescope - absolutely recommendable!
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    Routes here

    Best routes to Great Refractor Observatory (Großer Refraktor), Potsdam

    4.6

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    145

    hikers

    1. View from Großer Ravensberg – Grüner Weg Ridge Trail loop from Potsdam-Rehbrücke

    19.3km

    05:06

    180m

    180m

    Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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    Hard

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

    Easy

    Details

    Informations

    Elevation 90 m

    Weather

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    Thursday 5 March

    16°C

    -1°C

    0 %

    Additional weather tips

    Max wind speed: 14.0 km/h

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    Location: Brandenburg, Germany

    Other Popular Places to Check Out

    Kleiner Ravensberg Summit and Observation Tower

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