Taking the western road (provincial road Rhode0 meters and ends at the Holy Monastery of Panagia Kalopetra at an altitude of 470 meters. The trail is organized by bridges, wooden rails and has an entry price which includes a visit to the Museum of Natural History.It is a comfortable and pleasant journey along the verdant valley with small waterfalls and ponds. Hosts known butterflies of Rhodes (Panaxia quadipunctaria), living there by the thousands in the summer fromearly June to mid September. The Valley is full of them. In the Valley of the Butterflies is the only natural forest in Europe from a species called Ygramvari (Zidia).