Kellerberg (Niederdollendorf)
The Kellerberg is the northwestern section of the Petersberg in the Siebengebirge . It belongs to the district of Königswinterer district Niederdollendorf located south of Oberdollendorf between the Petersberg and the Rhine Valley . Its western slope, once used as a vineyard , is now a biotope with a considerable variety of plants and animals .
The vines growing on Kellersberg was abandoned between the 1960s and 1980s as unprofitable, and on the wasteland of the annual bush spread over. At first, bushes such as blackthorn , dog-rose , clematis and blackberries overgrown the terraces of the former vineyard, followed by bird cherries , sessile oaks and ash trees . The mild microclimate , with hot and dry summers, makes the Kellerberg the ideal habitat for heat-loving plants and animals, but the overgrowth left hardly any space for sun-hungry animals. In 1998 the citizens' initiative Naturschutz Siebengebirge eV began to clear the undergrowth. Only individual groups of trees and bushes were left, between which open grass corridors with daisies , wild carrots , St. John's wort and other herbs have developed. A small herd of range sheep and Boer goat holds the entbuschte surface by eroding the renewable tree and bush shoots still open.
Today you can find a multitude of species on the Kellerberg with its grass and herb meadows, the dry stone walls of the old terraces, the rocks and the groups of bushes and trees, from lizards and smooth snakes to butterflies and zippers , from bees to golden asters . Of the three original individual vineyards Goldfüßchen , Heisterberg and Longenburgerberg located on the Kellerberg in the Petersberg area , the Heisterberg site (below Haus Heisterberg ) has been planted again since 2002.
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Coordinates: 50 ° 41 ′ 22.6 " N , 7 ° 11 ′ 30.4" E