Erythropotamos

The Erythropotamos ( el, Ερυθροπόταμος, meaning "red river") or Luda reka ( bg, Луда река, meaning "mad river") is a river in southern

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

(

Haskovo Province Haskovo Province ( bg, Област Хасково - ''Oblast Haskovo'', former name ''Haskovo okrug'') is a province in southern Bulgaria, neighbouring Greece and Turkey to the southeast, comprising parts of the Thracian valley along the river ...

) and northeastern

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

( Evros regional unit). Its Turkish name was ''Kızıldelisu''. Its source is near

Mega Dereio Mega Dereio () is a village in the central part of the Evros regional unit in Greece. It is part of the municipal unit of Orfeas within the municipality of Soufli. Together with 6 other villages, it forms the community of Mikro Dereio. It is sit ...

. It flows into the

Maritsa Maritsa or Maritza ( bg, Марица ), also known as Meriç ( tr, Meriç ) and Evros ( ell, Έβρος ), is a river that runs through the Balkans in Southeast Europe. With a length of ,Didymoteicho Didymoteicho ( el, Διδυμότειχο, Didymóteicho ) is a city located on the eastern edge of the Evros regional unit of Eastern Macedonia and Thrace, in northeastern Greece. It is the seat of the municipality of the same name. The town ...

. The source of the river is in the eastern

Rhodope Mountains The Rhodopes (; bg, Родопи, ; el, Ροδόπη, ''Rodopi''; tr, Rodoplar) are a mountain range in Southeastern Europe, and the largest by area in Bulgaria, with over 83% of its area in the southern part of the country and the remainder in ...

in the western Evros regional unit, Greece, near the village

Mikro Dereio Mikro Dereio ( el, Μικρό Δέρειο) is a village and a community in the central part of the Evros regional unit in Greece. It is situated on the left bank of the river Erythropotamos, in the Eastern Rhodope Mountains. The border with Bul ...

. It crosses the border with Bulgaria near Gorno Lukovo in the

Ivaylovgrad Ivaylovgrad ( bg, Ивайловград, "city of Ivaylo") is a town in Haskovo Province in the south of Bulgaria set near the river Arda in the easternmost part of the Rhodope Mountains, and is the administrative centre of the homonymous Ivayl ...

municipality, and forms the Greek-Bulgarian border for several kilometers. It crosses back into Greece between the villages

Siv Kladenets Siv Kladenets is a village in the municipality of Ivaylovgrad, in Haskovo Province, in southern Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situa ...

and Alepochori. It passes the villages Ladi,

Mani Mani may refer to: Geography * Maní, Casanare, a town and municipality in Casanare Department, Colombia * Mani, Chad, a town and sub-prefecture in Chad * Mani, Evros, a village in northeastern Greece * Mani, Karnataka, a village in Dakshi ...

and Koufovouno before flowing into the Evros just beyond Didymoteicho. Its largest tributary is the Byala reka ("white river") in Bulgaria, which flows into the Luda reka near the village Odrintsi. Rivers of Bulgaria Rivers of Greece International rivers of Europe Geography of Thrace Rivers of Eastern Macedonia and Thrace Landforms of Evros (regional unit) Landforms of Haskovo Province Bulgaria–Greece border Border rivers {{Bulgaria-river-stub