Geography of Belgium de Botrange at 694 meters above the sea level. Other hills in Belgium include the Kemmelberg (159 m high) and the Koppenberg (77 m high) both known as part of the route of the cycle races Gent–Wevelgem and the Tour of Flanders respectively. This is a list of the extreme points of Belgium, the points that are farther north, south, east, west, high or low than any other location. The Belgian National Geographic Institute calculated that the central point of Belgium lies at coordinates , in Nil-Saint-Vincent-Saint-Martin in the municipality of Walhain. Natural resources in Belgium include construction materials, silica
Signal de Botrange of cross-country skiing routes. In 1923, the 6 metres Baltia tower was built on the summit to allow visitors to reach an altitude of 700 metres. A stone tower built in 1933/34 by François Fagnoul from Ovifat on the Botrange crowned a steel weather vane with the relieved name " SICCO CAMPO " until World War II. Meanwhile, the spire serves as transmitter of Radio Contact and reaches a de facto height of 718 metres. In November 2013, at the Signal de Botrange, a 50-m high tower with parabolic antennas was agreed to provide data interchange by Microwave transmission between