He was besieged in the Snowdon mountains till hunger made him surrender, and conclude the humiliating treaty of Conway (1277).
Flanks of the Snowdon massif.
Pwllheli commands a good view of Merionethshire and of the Snowdon range, with the entire sweep of Cardigan Bay, Carreg yr ymbill (gimlet stone) at the mouth of the harbour, Abersoch and St Tudwal's Islands.
Meleagris, snake's head, is found in moist meadows in some of the southern and central English counties; Tulipa contains more than 50 species in Europe and temperate Asia, and is specially abundant in the dry districts of central Asia; Lloydia, a small slender alpine plant, widely distributed in the northern hemisphere, occurs on Snowdon in Wales; Scilla (squill) is a large genus, chiefly in Europe and Asia - S.
Here rises the peak of Snowdon (3560 ft.), the culminating point of South Britain, and near it half a dozen summits exceed 3000 ft., while Cader Idris, farther south, though slightly lower, presents a singularly imposing outline.
Similar absorptions no doubt account for the disappearance of the Culdees of York, a name borne by the canons of St Peter's about 925, and of Snowdon and Bardsey Island in north Wales mentioned by Giraldus Cambrensis (c. 1190) in his Speculum Ecclesiae and Itinerarium respectively.
The latter are represented by large contemporaneous deposits of tuff and felsitic lava which in the Snowdon District are several thousand feet thick.
Much inferior in elevation to Snowdon or Cader Idris, Plinlimmon is certainly the most dangerous of the Welsh hills because of its quaking bogs.