Mühlsteinbruch Hinterhör, Historical quarry in Neubeuern, Germany.
Mühlsteinbruch Hinterhör is a former millstone quarry about 600 metres east of Altenbeuern, in the market town of Neubeuern. Its overhanging wall, cut into a sandstone bed that dips steeply south, still shows the circular outlines and working marks of hand-cut millstones. The Neubeurer Mühlsandstein reaches a thickness of 28 metres here, the greatest known for this rock.
The quarry was opened in 1572 and millstones were extracted there until 1860. Mathias von Flurl described in 1792 how workers cut a deep groove, drove wooden wedges into it and soaked them with water until the swelling wood split the rock. The stones were trimmed, given an axle hole and hauled to the Inn for loading onto barges.
The site shows the craftsmanship that once went into making millstones for grinding grain. You can see work marks on the walls that reveal how people approached stone extraction as a skilled trade.
The quarry lies about 600 metres east of Altenbeuern in the Neubeuern market area. The rock face overhangs because the millstone layer dips steeply south, so keep clear of the wall. The site is listed as a natural monument and a Bodendenkmal (D-1-8238-0188), and the Bavarian environment agency records it as geotope 187G001.
The quarry is listed by Bavaria's State Office for the Environment as geotope 187G001 and carries the seal "Bavaria's most beautiful geotopes". The sandstone bed reaches 28 metres here, while the neighbouring Altenbeuren quarry shows only eight metres.
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