Zwerfsteneneiland, Geological monument in Utrechtse Heuvelrug, Netherlands
The Zwerfsteneneiland features approximately 750 erratic stones arranged in a compass rose pattern on an artificial island within a former sand quarry.
Between 1840 and 1845, extensive sand extraction from this location provided materials for the construction of the Rhijnspoorweg railway line.
The site functions as an outdoor geological museum where visitors examine rocks transported by glaciers from Scandinavia and central Europe.
The monument remains open throughout the year and visitors can access the island through a dam while two Hollandse land goats maintain the vegetation.
The quarry walls reach depths of 40 meters, revealing multiple geological layers formed by ice and water movement during the Saale Ice Age.
Location: Utrechtse Heuvelrug
GPS coordinates: 52.06325,5.34679
Latest update: March 8, 2025 15:08
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