The gorge of Kritsa begins at the north-eastern exit of the historical village of Kritsa and ends up at a flat area 2,5 kilometres to the north. Continuing in the watercourse from this point, one arrives at the entrance to the second section of the gorge, which is a lot more difficult. After a tiring climb, it leads to the foot of the Tsivi peak, over Katharo plateau.
The first section of the gorge is ideal for trekking. It is 2,5 kilometres long and requires approximately 1,5 to 2 hours to pass through and return back to Kritsa. The elevation difference between the entrance and the outlet of the gorge is approximately 200 metres.
The scenery inside the gorge is imposing. The watercourse is thick with plane trees, oak trees, oleanders and many typical kinds of plants that are endemic in Crete. Also, numerous birds find shelter in the holes of the walls of the gorge.
These walls are impressive in height and at certain spots they close in together (1,5 metre). At certain places, one has to climb on slippery rocks in order to pass through the watercourse.