Signal de Botrange

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Signal de Botrange
Belgium, Botrange, Monument.JPG
The 6 m high tower at the Signal de Botrange
Highest point
Elevation694 m (2,277 ft) [1]
Prominence119 m
ListingCountry high point
Coordinates50°30′06″N 6°05′34″E / 50.50167°N 6.09278°E / 50.50167; 6.09278Coordinates: 50°30′06″N 6°05′34″E / 50.50167°N 6.09278°E / 50.50167; 6.09278[1]
Geography
Signal de Botrange is located in Belgium
Signal de Botrange
Signal de Botrange
Location of Signal de Botrange in Belgium
LocationLiège, Belgium
Parent rangeHautes Fagnes
Communication tower on the Signal de Botrange

Signal de Botrange (German Baldringen, Latin Sicco Campo) is the highest point in Belgium, located in the High Fens (Hautes Fagnes in French, Hoge Venen in Dutch, Hohes Venn in German), at 694 metres (2,277 feet). It is the top of a broad plateau and a road crosses the summit, passing an adjacent café. It is also the highest point in the Walloon Region, the Ardennes and the Benelux countries.

For several decades a meteorological station was installed at signal Botrange. Since 1999, it was replaced by an automatic station of the Royal Meteorological Institute of Belgium installed on Mount Rigi (scientific station of the High Fens - University of Liege), which is between the Signal and Baraque Michel which was formerly the highest point in Belgium prior to the annexation of the Eastern Cantons in 1919.

Signal de Botrange experiences stronger winds than the centre of Belgium. Average and extreme temperatures are usually lower than at any other place in Belgium: the minimum temperature recorded (-25.6 °C) does not, however, exceed the absolute record (-30.1 °C), observed in the valley of the Lomme, at Rochefort during a temperature inversion. In winter, for three months, on average, the average temperature remains below 0 °C.

Rainfall is much greater than most of the rest of the country, at an annual average of 1450 mm compared with 800 mm in Uccle: there are over 200 days of precipitation per year (against just over 170 in Uccle). Maximum temperatures in summer rarely exceed 30 °C. The number of days of frost is over 130 days per year and the number of days of snowfall exceeds 35 days. The maximum thickness of snow was measured on 9 February 1953, at 115 cm of snow. Frost and early snowfall can occur in late September, but that is exceptional. Late snow may sometimes occur until mid-May.[citation needed]

At the height of winter the site is used as the start of a number of cross-country skiing routes.[2]

Towers and Transmitters Botrange[edit]

In 1923, the 6-metre (20-foot) Baltia tower was built on the summit to allow visitors to reach an altitude of 700 m (2,300 ft). 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 m (2,356 ft).

In November 2013, at the Signal de Botrange, a 50-metre-high (160-foot) tower with parabolic antennas was agreed to provide data interchange by Microwave transmission between London Stock Exchange and Frankfurt Stock Exchange, because the data transmission via Communications satellite or fibre optic involves a small delay, which interferes the stock exchange trading. The data transfer takes place in real time via the intermediate station Botrange, which was set up directly next to the existing tower.[3]

Hydrography[edit]

The summit of Belgium is home on its flanks to several sources of Ardennes rivers, all belonging to the Mosan basin, including the Helle, Roer and Schwarzbach to the north (but flowing here to the east), Bayehon to the south, and the Trôs Marets to the west.

As in the names of these rivers, if the Signal de Botrange is not a state border, it marks a language border in the area between the Romance languages (south and west) and Germanic languages (north and east)

References[edit]