Vaalserberg

The Three-Country Point with the border post dating back to 1926

The Vaalserberg is also the location of the tripoint between Germany, Belgium and the Netherlands and so its summit is called the Drielandenpunt ("three country point") in Dutch, Dreiländereck ("three country corner") in German and Trois Frontières ("three borders") in French.

On the Belgian side, the tripoint borders the region of Wallonia, including both the regular French-speaking area and the smaller German-speaking area. Between 1830 and 1919, the summit was a quadripoint, also bordering Neutral Moresnet, which is now part of Belgium's German-speaking area.

Historical borders before First World War. Vaalserberg is located at the quadripoint in the top central area of the map.
Legend:

  (1) Dutch Province of Limburg

  (2) Belgian (previously Dutch) Province of Liège

  (3) Neutral Moresnet

  (4) Prussian Rhine Province

The current Belgian-German-border is not the same as the former eastern border of Moresnet with Prussia but is a little more to the east. Therefore, five different borders came together at this point but never more than four at one time, except possibly between 1917 and 1920, when the border situation was unclear and disputed.

The border intersection has made the Vaalserberg a well-known tourist attraction in the Netherlands, with a 50 m tower on the Belgian side (Dutch: Boudewijntoren; French: Tour Baudouin; German: Balduin-Turm), opened in 1994 to replace the previous 33 m tower, built in 1970. It offers a grand panorama of the surrounding landscape.

The road leading up to this point on the Dutch side is called the Viergrenzenweg ("four borders way"), probably because of the territory of Moresnet. The names of the roads in Belgium (Route des Trois Bornes) and Germany (Dreiländerweg) refer to only three.[2] Along the road on the Dutch side is the 35 m Wilhelminatoren observation tower, with a restaurant and forest trails. The present tower officially opened on 7 October 2011 and features a lift and a glass floor. The first tower at the site was built in 1905 during the reign of its namesake, Queen Wilhelmina of the Netherlands, and was demolished in 1945. The second 20 m tower opened on 11 August 1951 and was demolished over the winter of 2010-2011 because of its poor condition and high maintenance requirements.

The Vaalserberg is often used in the Amstel Gold Race and is climbed halfway through the race. The climb is named in the roadbook of the Gold Race as Drielandenpunt and is followed by the Gemmenich climb.

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  The Three-Country Point c.2000
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  Three-Country Point viewed from the Boudewijntoren, April 2018
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  The Boudewijntoren observation tower
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  Monument, officially opened in 1928, up the Vaalserberg marking the highest point in mainland Netherlands by the Three-Country Point
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  One of several concrete posts marking the border between Germany and the Netherlands in the forest
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  The present Wilhelminatoren observation tower
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  The previous Wilhelminatoren (1951–2010)

• List of mountains and hills in North Rhine-Westphalia