Kyffhäuser, Mountain range in Central Germany
Kyffhäuser is a mountain range in Thuringia and Saxony-Anhalt that stretches 21 kilometers and consists of sandstone, conglomerate and metamorphic rock. The northern side shows steep slopes, while the southern side descends gently toward flat farmland.
The Reichsburg Kyffhausen was built in the 10th century and greatly expanded under Emperor Frederick Barbarossa in the 12th century. The castle then ranked among the largest fortifications in the Holy Roman Empire.
The name comes from Middle High German Kyphehūser, meaning House on the Kypfe ridge, which locals still use to describe the central hill. Walkers often pause at the viewpoints where the legend of the sleeping emperor began centuries ago.
Hiking trails run throughout the area and connect with routes in the neighboring Harz region. The monument and castle ruins are accessible via marked paths.
An archaeological open-air museum in Tilleda displays the remains of a 9th-century Kaiserpfalz imperial palace. Visitors can see the foundation walls of the complex that once hosted traveling kings.
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