The Burren’s limestone has been dissolved and eroded in such a way that the exposed rock resembles the pieces of a puzzle. Due to its long growing season and unusual soil content, arctic, Mediterranean and alpine vegetation grow side-by-side and many rare plants thrive in the niches among the rocks. The Burren is also rich with archaeological sites—with more than 90 megalithic tombs, portal dolmens, and a number of ring forts.
Poulnabrone
dolmen
is constructed of limestone slabs. The remains of nearly 30 Neolithic people,
including many children and infants, were found here. The dolmen dates between 4200 BC and
2900 BC.
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