Benlettery (, meaning Peak of the Wet Hillsides) at , is the 259th-highest peak in Ireland on the Arderin scale. Benlettery is in the southernmost peak of the Twelve Bens mountain range in the Connemara National Park in Galway, Ireland, and is the 11th-tallest of the core Twelve Bens. The Ben Lettery An Oige youth hostel is on the southern slopes of Benlettery, off the N59 road to Clifden.