From Nieder - or Oberrasen following the mark n.4 or 3 to Redensberg, the marks 4, 1A + 17 to Aschbach to the farm Niedrist - further on to the Earth Pyramids. The same way back to Rasen or to Platten and Oberwielenbach (16) and Percha (back by bus or train).
Arrival by public transport
from train station Valdaora:
>See here for the bus & train timetable