The Rhinogydd (a Welsh plural form, often anglicised as Rhinogs and also known by the alternative Welsh plural Rhinogau) are a range of mountains located east of Harlech in North Wales. The name Rhinogydd derives from the names of two of the more famous peaks, Rhinog Fawr and Rhinog Fach, although the greatest elevation in the range is reached by Y Llethr, 756 m.
Start 678256 walk in NW direction to Llyn y Bi up to col and turn south along ridge to Y Llethr (756). Continue south for approx 150mt and head down at 660254 to stream and Hafod-y-Brenhin.
