Nantlle, although most of the quarries are now closed down, close to Llanllyfni . It lies in the parish of Llanllyfni,and other nearby villages are Carmel , Talysarn, Nantlle, Tanrallt, Nebo, Pont Lloc and Groeslon . It is the site of the area's comprehensive school Ysgol Dyffryn Nantlle (opera star Bryn