Cader Idris

|}Cadair Idris or Cader Idris is a mountain in Snowdonia, north Wales. It lies at the southern end of Snowdonia National Park and reaches 893 m at its summit, named Penygadair (Welsh for "top of the chair"). It is one of the most popular mountains in Wales . It is composed largely of Ordovician igneous rocks, with classic glacial erosion features such as cwms, moraines, striated rocks, and roches moutonnées.
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[Folklore] In Welsh, Cader means chair and Idris is the name of one of the old Welsh giants. Legend has it that anyone who passes the night in this 'chair' will either be a poet or a madman.