Felsenmeer, Natural rock formation in Lautertal, Germany
Felsenmeer is a geotope on the slopes of Felsberg mountain in the Odenwald range, where quartzite boulders create a stone formation stretching more than two kilometers. The massive rocks lie close together and extend from the forest edge almost to the summit area of the mountain.
Roman stonemasons used the site as a quarry and left behind more than 300 unfinished pieces, including column parts and millstones. The working marks show ancient techniques for splitting and shaping the hard rock.
The name translates to "sea of rocks" and reflects how visitors describe walking across the boulder field toward the summit. Families climb between the large stones on weekends, choosing different paths through the gaps and testing their balance on the rough surfaces.
Walking trails run through the boulder field and allow climbing between the stones at different difficulty levels. The information center at the lower edge offers guided tours and advice on geology and safe passage through the formation.
The stones formed through spheroidal weathering of rock deep below the surface before erosion exposed them. The pattern resembles a frozen river of rocks flowing down the slope.
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