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The river takes its source under the name
Hambardere at an altitude of 1,622 m on the northern foothills of the summit of Elvarnika (1,715 m) in the Pereliksko–Prespanski Ridge of the western Rhodope Mountains. It initially flows in northeastern direction, gradually turning to the southeast
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Its drainage basin covers a territory of 301 km, or 5.19% of the Arda's total. The river has predominantly rain–snow feed. The average annual flow at its mouth is 5 m/s.
387:Мичев (Michev), Николай (Nikolay); Михайлов (Mihaylov), Цветко (Tsvetko); Вапцаров (Vaptsarov), Иван (Ivan); Кираджиев (Kiradzhiev), Светлин (Svetlin) (1980).
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on the Arda at an altitude of 332 m. It drains the northeastern slopes of the
Pereliksko–Prespanski Ridge and the westernmost parts of the Gorata Ridge.
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and forming a large arc bulging to the north. Its valley is deep and sparsely forested. The river flows into the northern arm of the
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drainage. Along its low course and its tributary the
Ayladere passes the boundary between the western and the eastern
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Near its confluence with the Arda at the modern
Kardzhali Reservoir are located the ruins of the medieval
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346:Geographic Dictionary of Bulgaria 1980
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399:): Наука и култура (Nauka i kultura).
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393:Geographic Dictionary of Bulgaria
227:301 km (116 sq mi)
33:Borovitsa Reservoir on the river
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424:Landforms of Kardzhali Province
168: • coordinates
85: • coordinates
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434:Landforms of Smolyan Province
429:Landforms of Plovdiv Province
395:] (in Bulgarian). София (
389:Географски речник на България
54:Physical characteristics
207: • elevation
128:1,622 m (5,322 ft)
124: • elevation
148: • location
72: • location
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414:Tributaries of the Maritsa
249:, a left tributary of the
211:332 m (1,089 ft)
297:Chernoochene Municipality
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190:41.7136000°N 25.2428000°E
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107:41.7467000°N 24.9758000°E
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275:The Borovitsa flows in
219:42 km (26 mi)
305:Kardzhali Municipality
195:41.7136000; 25.2428000
112:41.7467000; 24.9758000
363:Bulgarian Fortresses
285:Kardzhali Provinces
267:Kardzhali Reservoir
186: /
103: /
419:Rivers of Bulgaria
359:"Patmos Fortress"
259:Rhodope Mountains
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78:Rhodope Mountains
16:River in Bulgaria
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76:N of Elvarnika,
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316:Patmos Fortress
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181:25°14′34.08″E
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366:. Retrieved
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408:Categories
381:References
224:Basin size
161:Aegean Sea
322:Citations
309:Kardzhali
239:Bulgarian
235:Borovitsa
22:Borovitsa
289:Bezvodno
247:Bulgaria
243:Боровица
48:Bulgaria
39:Location
301:Nenkovo
293:Voynovo
281:Plovdiv
277:Smolyan
255:Maritsa
253:of the
157:Maritsa
44:Country
299:, and
216:Length
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63:Source
397:Sofia
391:[
368:3 May
138:Mouth
370:2024
291:and
283:and
251:Arda
233:The
153:Arda
303:in
295:in
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330:^
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159:→
155:→
372:.
237:(
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