BLAENAU, a hamlet, joint with Tir-Rosser, in the parish of LLANDEBIE, hundred of ISCENNEN, county of CARMARTHEN, SOUTH
WALES, 7 miles (S. S. W.) from Llandilo-Vawr. The population is returned with the parish. The eastern part of the lofty
mountain of Mynydd-Mawr, which abounds with coal and limestone, is situated within this hamlet. A small stream which falls
into the Loughor river passes through it, on the banks of which some pleasing cottages and well-wooded knolls are
discernible. There are numerous coal-pits in this district.