Cadair Idris

Cadair Idris or Cader Idris is a mountain in Gwynedd, Wales, which lies at the southern end of the Snowdonia National Park. The peak, which is one of the most popular in Wales for walkers and hikers, is composed largely of Ordovician igneous rocks, with classic glacial erosion features such as cwms, moraines, striated rocks, and roches moutonnées. The most widespread explanation for the name of the mountain is based on the fact that Cadair means "chair". Cadair Idris would thus translate as "the chair of Idris", and the Idris in question is usually taken to be a giant from Welsh mythology who was said to have used the mountain as an enormous armchair to gaze at the stars. Alternatively, it may refer to Idris ap Gwyddno (or Gweiddno), a...