Difficulty level: for expert hikers (EE). This path, where hikers have to cross the stream several times, has many exposed stretches that require a safety rope to help hikers walk.
Characteristics: panoramic route dedicated to the geological and geomorphological aspects.
The nature trail of the Gargassa valley offers places of pure beauty, between quiet lakes, canyons and fascinating rock formations. In this out-of-the-way place of the Geopark the typical ophiolitic rocks give way to the conglomerates, in which water dug very fascinating erosion shapes. In the middle of the ring route the ancient human presence is still clear: in the village of Vereira the ancient pre-industrial activities show the past exploitation of these places for the glass production.