The Taennchel is one of the summits of the Vosges Mountains, rising to 988 metres (3,241 ft). The Taennchel rises at the East of France, in the département of Haut-Rhin (region Alsace), half-way between Strasbourg to the North and Mulhouse to the South, around 60 km (40 mi) from both cities.The general area around the crest, which is 6 km long, is enigmatic. The ground is strewn with rocks and various inscriptions, many of them undeciphered and remaining mysterious.