Y Llethr, Mountain summit in Gwynedd, Wales
Y Llethr is a mountain in the Rhinogydd range within Snowdonia National Park, reaching 756 meters in height. The summit features a grassy top marked by a stone cairn and rocky outcrops.
The mountain formed through geological processes over millions of years, shaping the rock formations visible today. These ancient processes created the distinctive landscape that defines the Rhinogydd range.
The Welsh name Y Llethr translates to 'the slope' in English, reflecting the linguistic heritage and geographical features of this mountainous region.
The main hiking route begins in the Cwm Nantcol valley and ascends over Rhinog Fach to reach the summit. Proper outdoor gear and reliable weather conditions are important for this demanding walk.
The mountain has a prominence of 561 meters and qualifies under three separate peak classifications: Marilyn, Hewitt, and Nuttall. This multiple qualification makes it notable among peak collectors and mountaineers.
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