An old quarry, fenced and left to itself for years, developed into a beautiful nature reserve with chic little trails on the edge of the steep slopes. In the surrounding area are the Neandertal, the historic village of Gruiten and the valley of the Düssel.
April 1, 2016
The quarry was designated in 1997 as a nature reserve. Over time, nature reclaimed the area. To marvel at the pronounced limestone cliffs, the quarry flora and rare and endangered animal and plant species. The paths are fenced and lookouts were created. Very impressive.
April 15, 2016
The pit 7 is a former limestone quarry in the Haan district Gruiten on the edge of the forest area Osterholz on the city boundary to Wuppertal, in which dolomitisierter mass lime was mined .. Since 1997 it is designated as a nature reserve.
At first I was astonished that the tree population was so small after 50 years of pit standstill. A research revealed, however, that he was flooded with water until just before the millennium. It served to balance the groundwater level of the entire Kalkabbaugebietes. This also explains why the white mesa was attached to the rock face. Here you could probably read off the level of the lake. The water was probably controlled at another point in the Düssel initiated, taken near the pit 7, so that the quarry flooded and if necessary, fed back into the Düssel. At some point this was no longer necessary and the pit ran dry. This explains that the tree population in the pit is not older than 20 years.
April 18, 2017
Wonderful viewpoint with possibility for a snack in between. Enough benches are available. Unfortunately a bit hazy today, but still a great moment to see Pit 7 in front of you and walk around it! Definitely take a little time, for children certainly also very exciting to see.
March 23, 2019
The recreational area Grube 7 is a former limestone quarry in Gruiten on the edge of the forest area Osterholz on the city boundary to Wuppertal. The pit 7 was operated from 1899 to 1966 open pit. Since 1997, the mine 7 is under nature conservation and volunteer members of the AGNU-Haan take care of their care and maintenance.
May 20, 2019
The local recreation area Grube 7 is a former limestone quarry. Pit 7 was open-pit from 1899 to 1966. Since 1997, it has been under nature protection and its members are members of the Haan Nature and Environment Working Group who take care of its conservation and maintenance.
June 8, 2020
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