In eastern Crete we meets the name Havgas very often, givent to canyons and some corruptions of it like Ha, Havgoudi, etc. One of the several gorges named Havgas is formed near Kavousi, province Ierapetra and it is actually the lower part of the wild gorge of Mesonas starting from Thripti plateau.
The part called Havgas starts near the Minoan settlement of Azorias and ends its course in Kavousi, being only 700m long. Crossing it through its stream requires technical (canyoning) equipment as there are six beautiful waterfalls, which the highest is 20 meters high and has water till late winter.
Alternatively, you can overcome the gorge by walking in the ancient hiking trail that bypasses the canyon from its east side and connecting Avgos to Kavoussi.