Richtis Gorge is a state-protected park near Exo Mouliana in Sitia.

The hiking trail is about 4 km long, difficulty moderate in spring, summer and autumn and high in winter.

The rich vegetation (mainly plane trees, wild berries, local flowers and herbs) and animal life (mainly local species of butterflies, small reptiles, birds and small mammals) can be seen along the way, as well as old stone bridges and watermills before to end up in the waterfall of Richti and the beach, making the path of Richtis gorge one of the most diversified hiking experiences in Crete.