The river Fonias creates many lakes and waterfalls. Kremasto is the biggest and most impressive one, 35m in height and forms a lake with a diameter of 30m. In the trail passing Fonias river, visitors have the opportunity to admire some unique bird species. There is a small cafe in the middle of the route, which offers drinks and food.
Samothraki is the home of the Sanctuary of the Great Gods, site of important Hellenic and pre-Hellenic religious ceremonies. Considerable remains still exist of the ancient walls, which were built in massive Cyclopean style, as well as of the Sanctuary of the Great Gods, where mysterious rites took place in ancient time.