The Osam ( bg, Осъм ) is a river in northern
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 Macedo ...
. Its
drainage basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
is in between that of the river
Vit to the west and the
Yantra
Yantra () (literally "machine, contraption") is a geometrical diagram, mainly from the Tantric traditions of the Indian religions. Yantras are used for the worship of deities in temples or at home; as an aid in meditation; used for the benefit ...
system to the east.
[ Поречието на р. Осъм] The river has two main tributaries in its upper course: the Black Osam takes its source from the foot of
Levski Peak in the
Balkan Mountains
The Balkan mountain range (, , known locally also as Stara planina) is a mountain range in the eastern part of the Balkan Peninsula in Southeastern Europe. The range is conventionally taken to begin at the peak of Vrashka Chuka on the border bet ...
, at an altitude of , while the White Osam has its source on the northern slopes of the
Kozya Stena peak. In
Troyan
Troyan ( bg, Троян ) is a town remembering the name of Roman Emperor Trajan, in Lovech Province in central Bulgaria with population of 21,997 inhabitants, as of December 2009. It is the administrative centre of the homonymous Troyan Mun ...
, the black and white Osam join. It runs north towards
Lovech
Lovech ( bg, Ловеч, Lovech, ) is a city in north-central Bulgaria. It is the administrative centre of the Lovech Province and of the subordinate Lovech Municipality. The city is located about northeast from the capital city of Sofia. Near ...
, then north-east until
Letnitsa
Letnitsa ( bg, Летница , also transliterated ''Letnitza'', ''Letnica'') is a town in central northern Bulgaria, part of Lovech Province. It is the administrative centre of the homonymous Letnitsa Municipality and lies in the northeastern ...
and
Levski, where it turns north-west until it flows into the river
Danube
The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...
5 km west of the town of
Nikopol. The ancient name of the river was ''Assamus''.
References
Rivers of Bulgaria
Landforms of Lovech Province
Landforms of Pleven Province
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