Tirslund Rock, Protected glacial erratic in Tirslund Plantage, Denmark.
Tirslund Rock is a protected granite erratic found in Tirslund Plantation near Brørup. The boulder stands about 3.5 meters tall, spans a circumference of roughly 16 meters, and weighs approximately 340 tons.
The erratic was deposited here by glaciers during the Ice Age and has rested in this location for roughly 10,000 years. In 1832, Danish authorities recognized its geological and historical worth and granted it protected status.
The rock carries a legend linked to King Harald Bluetooth, who according to local tradition wanted to move it as a memorial for his parents at Jelling. This tale shows how such natural stones became symbols of remembrance in the minds of people across many generations.
The rock is easily reached via marked paths through the plantation and located near Brørup in southern Jutland. Visitors should expect forest trails and potentially muddy ground, particularly after rain.
In the late 1700s, a local pastor attempted to blast the rock apart with explosives but only left minor marks on its surface. The attempt reveals how resilient this natural formation is, having endured even crude force without serious damage.
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