Robert Waterhouse (46), the field archaeologist for the Société Jersiaise, which is dedicated to preserving Jersey’s history and culture, said the 5,000-year-old Le Couperon dolmen, near Saie Harbour, had been hit by a 40-ft Monterey pine during a storm earlier this month.
The fallen tree, which broke the western capstone – a flat stone on top of the tomb – is due to be cut up and removed this week.
Any damage to the dolmen can then be properly assessed.