Aarbergen is a community in the Rheingau-Taunus-Kreis in the Regierungsbezirk of Darmstadt in Hesse, Germany.
Aarbergen lies on the river Aar south of Limburg an der Lahn and between the Taunus ridge and the river Lahn in the Lower Taunus, or western Hintertaunus (“Hinder Taunus”).
The community is found in the low mountain landscape in the western Hintertaunus, which is part of the Rheinisches Schiefergebirge (Rhenish Slate Mountains). The heights are characterized by a pronounced peak-and-trough surface relief, parts of which show formations from deep in the ground (kaolin). The surface relief had valleys carved deeply into it in the Quaternary by the Aar and its tributaries. Underground, the rock is formed mainly out of the Rhenish Slate Mountains’ Lower Devonian shale, metamorphic sandstone and quartzite. On top are found, often several metres deep, great layers of periglacial deposits much of which contains carbonate-free to weakly carbonate loess loam. Oligocene shingle …