The name 'Penygader' translates from Welsh as 'Head of the Chair', referencing the mountain's chair-like appearance when viewed from certain angles.
The mountain was formed by volcanic activity approximately 450 million years ago, resulting in the distinctive layers of volcanic ash and lava found today.
It is frequently cited in Welsh mythology, with legends claiming it is the resting place of a giant named Idris.
The summit features a stone-built trig point used for topographical surveys, offering a 360-degree vantage point across Mid-Wales.
The north face of Penygader features a steep cliff known as Craig y Caer, which is popular with experienced rock climbers.
Penygader is the highest summit of the Cadair Idris massif in Snowdonia National Park, rising to an elevation of 893 meters. The peak is characterized by its precipitous northern crags and glacial corrie lakes, most notably Llyn y Gadair. Geologically, the summit consists of Ordovician volcanic rocks, providing a rugged, rocky terrain at the top. The ascent routes provide panoramic views of the Mawddach Estuary to the west and the rolling peaks of the Aran range to the east. It is a primary destination for hikers following the Pony Path or the Fox's Path.
The trig point at the summit, specifically looking north toward Llyn y Gadair and the Mawddach Estuary.
Carry a physical map and compass, as mobile signal is unreliable and mountain weather changes rapidly.
Wear broken-in, waterproof hiking boots with high ankle support due to the uneven, rocky scree slopes.
Check the Mountain Weather Information Service (MWIS) for the Snowdonia region before beginning your ascent.
Attempting the ascent in adverse weather or winter conditions without specialist navigation and climbing equipment.
Follow the Countryside Code: close gates, take all litter home, and keep dogs on leads around livestock.
