RESOLVEN (SOLFEN), a township, in the parish of LANTWIT-juxta-NEATH, union and hundred of NEATH, county of GLAMORGAN, SOUTH WALES, 7 miles (N. E. by E.) from Neath containing 501 inhabitants. This place is situated in the upper part of the parish, near the left bank of the river Neath, where the mountains are lofty and rugged, and their declivities and the glens well covered with timber. Solven hill is an elevated mountain in the hamlet, at the western base of which, overlooking the Neath, are the remains of Glyn Castle the streams that flow into that river through the glens of the mountains form many pleasing cascades. Here is a chapel of ease to the parochial church; and two Sunday schools, containing about 50 children, are supported by subscription. The tithes have been commuted for a rent-charge of £70, of which £55 are payable to the impropriators, and £15 to the rector.