After the hilly sections along the mountains of Kozjak and Mosor, Via Dinarica descends from the peaks of Mosor to the sea level and to the Cetina River. Crossing to the southern bank of the river, the route than takes us uphill along the river, through the hinterland of Omiška Dinara, and then uphill towards the beginning of Biokovo (above the cove of Vruja). The canyon of the Cetina River is home to the best known excursion sites of this area – Radmanove mlinice and Kaštil Slanica. Water mills along the Cetina River were mentioned in historical records as early as in the 17th century. The picturesque river canyon is best explored in a joy of rafting. A zipline experience of crossing the river is also bound to provide an adrenaline boost. The zipline is located 3 kilometers away from Omiš, and it consists of 8 lines 2100 meters long in total.