Located in a depression carved by a lateral moraine of the Thur glacier , it dates from the Neolithic era ( 4300 BC ) .
The oldest traces of a settlement are about 1.5 km ( 0.93 mi ) west of Pfyn in the former peat bog of Breitenloo .
Located in a depression carved by a lateral moraine of the Thur glacier , Pfyn dates from the Neolithic era ( 4300 BC ) .
The oldest traces of a settlement are about 1.5 km ( 0.93 mi ) west of Pfyn in the former peat bog of Breitenloo .