After a wide gap in geological time, the next exposed sequences are from the Quaternary period, and consist of unconsolidated tills, boulder clays and deposits of sand and gravel.
[2] The geopark encompasses about 25 km (16 mi) of coastline south of the Comeragh Mountains, extending from Stradbally to Kilfarrasy.
The area has a rich cultural heritage, with Neolithic dolmens, Iron Age forts, pre-Christian inscribed stones, the remains of medieval churches and a castle.
[2] This geologically diverse area contains records of Palaeozoic volcanism and the last ice age - a heritage which is interpreted locally for the visitor.
[3] The geopark is overseen by a charitable company, with voluntary local and expert directors, and a staff of a part-time manager and a geologist, supported by volunteer guides, and community employment workers from Solas and Tus.