Bilo Mountains (Bulgaria)
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For the mountain peak on the border with Serbia, see Bilo Peak, Bulgaria.
The Bilo Mountains[1] are a ridge or small range in the Balkan Mountains of western Bulgaria, in Sofia Province. They are located about 50 kilometres (31 mi) northeast of Sofia and about 9 kilometres (6 mi) southwest of Botevgrad, near the town of Pravets. Bilo (Било) in Bulgarian means ridge.