Complex sentence: To the north of the parish is Mynydd Morvil, a peak in the Precelly range and to the south is Mynydd Castlebythe (347m) making the parish, with an average elevation of some, nearly surrounded by mountains.
Split into simpler sentences: To the north of the parish is Mynydd Morvil, a hill in the Precelly range with a peak and to the south is Mynydd Castlebythe (347m). The parish, with an average elevation of some, is nearly surrounded by mountains.