active 12th century of Tudela Benjamin, The Itinerary of Benjamin of Tudela
“ They guard themselves from the defilement of the dead, of the bones of the slain, and of graves; and they remove the garments which they have worn before they go to the place of worship, and they bathe and put on fresh clothes. This is their constant practice. On Mount Gerizim are fountains and gardens and plantations, but Mount Ebal is rocky and barren; and between them in the valley lies the city of Shechem.From the latter place it is a distance of four parasangs to Mount Gilboa, which the Christians call Mont Gilboa; it lies in a very parched district. ”
