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The Roupel Gorge or Roupel Pass (Greek: Στενωπός του Ρούπελ; Bulgarian: Рупелски пролом) is a steep river valley in the northern part of Central Macedonia, immediately south of the Greek-Bulgarian border. It was formed by the Strymon River, which stems from the Vitosha mountains and flows into the Aegean Sea. The gorge is rich in biodiversity which may…
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roupel pass strymon gorge river part mountains flows greece village greek bulgarian vitosha biodiversity promachonas belasica orvilos lithotopos στενωπός του
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