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The fortress was built during the reign of Emperor Justinian I (527-565) who launched massive military construction projects on the territory of the entire Balkan Peninsula. It was burnt down later and reconstructed until the invasion of the Ottomans at the end of the 14th century. At that time it was burnt down again and was never reconstructed.
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A blend of 46 isolated waterfalls. The tour takes 3–4 hr, depending on physical condition. It is not particularly difficult but also not easy. Sometimes it is steep uphill, but you do not have to climb. Anyone who has no health problems can go the way. The waterfalls themselves are not really spectacular, but the view from the panorama point Eurike to Smolyan is worth seeing. The route could be better signposted in some places. The best way to get information is to go to the Information center at the beginning of the forest trail. It’s recommended to visit the Canyon of Waterfalls in early summer when the water levels are at their peak.
A show cave with an impressive flowstone formation, known as the Icefall, at its end.
Дяволският мост
Nice place with old stone bridge over a river. The view is great! Legend says that the bridge was built by the Romans to connect the Aegean Sea and the Thrace region of Bulgaria. The bridge is the largest and best-known of its kind in the Rhodope Mountains,
A scenic waterfall near the village Dipotama.
Eagle Rock Sanctuary
A historic Thracian site near Ardino and consists of niches cut into a large rock standing above the forest. The site was obviously of religious significance. This Thracian phenomenon, the "trapezoid alcoves" are found all over the Rhodopes dug high in difficult to reach rocks. There is no definite answer as to how or why the Thracian people made them. The Orlovi skali (Eagles' Rocks) site carries about 100 insections. From Ardino an asphalted road takes you to a small parking at the start of a trail. It takes about 15 min of moderate intensity walk to get there.
(Karadzhov Kamak) is an interesting rock phenomenon near the village Mostovo. On a high plateau (1,448 m), a gaping fugue has formed on its vertical walls, in which a huge stone is stuck, as if displaced by higher forces there. Since antiquity, this place has been something special for the people - the ancient Thracians built a sanctuary here in which they honored their dead. To this day, small pits cut into the rock for religious purposes have been preserved, as well as steps leading to the upper part of the massif.