Enipeas is the Pierian river, whch runs through all of Litochoro. Its gorge has become widely knownand draws tourists from far and wide. Its source is at the Prionia point, at an altitude of 1000m, and the water temperature is just above zero Celcius, which means bathers with heart or other health problems should take care if they consider bathing in the natural pools that have fomed. The riverside path is actually one of the most favoured journeys to take in Olympus. If walking the nine kilometer path, which starts at Mili in Litochoro, it takes around 5-6 hours to reach Prionia. The journey is damp, extremely scenic and atmospheric. Many climbers drive up to the Prionia and climb from there to the high mountain peaks.