CLUYACH, a hamlet, in the parish of YSTRAD-DYVODOG, hundred of MISKIN, county of GLAMORGAN, SOUTH WALES, 9 miles (N.) from
Llantrissent. The population is returned with Ystraddyvodog-Horne. The name signifies a sheltered glade, which is
descriptive of the situation of this township among the mountains by which it is surrounded.