It is built of exuberant rocks - porphyries and their tuffs. In the old quarry, unveiling porphyry. Slopes formed of sandstone, conglomerates and shale with hard coal seams.
It is almost entirely forested.
In 1894, thanks to the initiative of the Mountain Society and Helmuth Carl Bernhard von Moltke, a hostel called "Kolbebaude", an obelisk with a medallion of Helmuth von Moltke and a viewing platform were erected on Barbara. In the years 1905-1925 a lookout tower stood on the site of the platform. After the Second World War, all infrastructure was destroyed. Currently, the top has overgrown trees and has lost the value of a viewpoint
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