Gallt y Celyn consists of an unenclosed group of three circular huts of 3 circular stone walls huts which vary from 4m to 7m in diameter and have walls 1.5m thick, faced with large stones on both sides, and standing to a maximum height of 0.5m. The huts are connected by other walls which form small garden plots or yards.

Source: Smith, G, 1998, Hut Circle Settlement Survey
Caernarvonshire Inventory, Vol. II, 218, (1319) Hut Group near Galltycelyn (Fig 151)
RCAHMW, 04 June 2009