Monuments and fortifications Kluže & Fort Herman This majestic fort above the Koritnica gorge is one of the most visited cultural sights in the Soča valley. It is an important monument to the defence against Turkish invasions, Napoleon's army and attacks during World War I. Monument to Dr. Julius Kugy The bronze figure of Dr. Julius Kugy (1858-1944), explorer of the Julian Alps, gazes towards Jalovec and other majestic peaks that rise above Trenta. Kozlov rob Castle The ascent up the forest path past the castle ruins to the top of the hill is rewarded with a wonderful view. Tonocov Grad Hill It was settled in different periods from the Copper Age until the Middle Ages. Fortification and monument on Predel Surrounded by the pristine nature of the Triglav National Park, the Predel fortification was a part of the Carinthian fortification system.