LLANERCHROCHWELL (LLANERCHFROCH-WEL,) a hamlet, in the parish of GUILSFIELD, lower division of the hundred of POOL, county of MONTGOMERY, NORTH WALES, 21 miles (N. W.) from Welshpool: the population is returned with the parish. It lies near the road from Guilsfield to Llanvair, which is here crossed by another from Welshpool to Meivod. Many respectable residences are situated in the township, and there are a few houses of singular appearance in abetween the mountains, termed Bwlch Aeddan, from having been anciently fortified by the chieftain whose name it bears. The ground in the vicinity, though hilly, is well cultivated: the township is within the liberties of the borough of Welshpool; and its tithes have been commuted for a rent-charge of £197, of which £l47 are payable to the Dean and Chapter of Christ-Church, Oxford, and £50 to the vicar of Guilsfield.