Ihtiman Valley () is situated in western
Bulgaria
Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea. Bulgaria is bordered by Greece and Turkey t ...
. It is named after its main settlement, the town of
Ihtiman
Ihtiman ( ) is a town in western Bulgaria, part of Sofia Province. It is located in the Ihtiman Valley of the Ihtimanska Sredna Gora mountain range and lies in a valley 48 km from Sofia and 95 km from Plovdiv, close to the Trakiya moto ...
.
Geography
The valley has the shape of an
isosceles triangle
In geometry, an isosceles triangle () is a triangle that has two Edge (geometry), sides of equal length and two angles of equal measure. Sometimes it is specified as having ''exactly'' two sides of equal length, and sometimes as having ''at le ...
, turned with its apex to the southeast. It has a length of 16 km and a width of up to 10 km. It spans a territory of 106 km
2 with an altitude of 620–700 m. It is situated in the center of the Ihtimanska Sredna Gora, the western part of the
Sredna Gora
Sredna Gora ( ) is a mountain range in central Bulgaria, situated south of and parallel to the Balkan Mountains and extending from the river Iskar (river), Iskar to the west and the elbow of river Tundzha north of the city of Yambol to the east. ...
mountain range. The Ihtiman valley is enclosed between the Vakarel Mountain to the northwest and the ridges of Belitsa to the northeast, Vetren to the southeast, and Septemvriyski to the south–southwest. The latter separates it from the
Kostenets–Dolna Banya Valley to the south.
The slopes of the Ihtiman Valley have uneven gradient and size, ranging from longer and oblique at the Vakarel Mountain, to steep Septemvriyski ridge. Its center is an extensive flat accumulative field. The slopes are built up of
gneiss
Gneiss (pronounced ) is a common and widely distributed type of metamorphic rock. It is formed by high-temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. This rock is formed under p ...
,
granite
Granite ( ) is a coarse-grained (phanerite, phaneritic) intrusive rock, intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly coo ...
,
sandstone
Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...
and
conglomerates, while the foundation is composed of
Neogene
The Neogene ( ,) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period million years ago. It is the second period of th ...
–
Quaternary
The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the ...
sediments. The valley was formed as a result of tectonic subsidence at the end of the
Upper Pliocene and the Quaternary.
The climate is
temperate continental with frequent
temperature inversions and mists in winter. The average annual temperature is 9.1 °C, with an average of -2.3 °C in January and 19.5 °C in July. The mean annual precipitation is 548 mm. It is drained by the river
Mativir, a right tributary of the
Topolnitsa of the
Maritsa
Maritsa or Maritza ( ), also known as Evros ( ) and Meriç ( ), is a river that runs through the Balkans in Southeast Europe. With a length of , river basin. The soils are mainly
chernozem
Chernozem ( ),; also called black soil, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus (4% to 16%) and high percentages of phosphorus and ammonia compounds. Chernozem is very fertile soil and can ...
and alluvial.
Settlements, transportation and economy
Administratively, it falls in
Sofia Province
Sofia Province () is a province (''oblast'') of Bulgaria. The province does not include Sofia in its territories, but Sofia remains the seat of its administration. The province borders on the provinces of Pernik, Kyustendil, Blagoevgrad, Paz ...
on the territory of
Ihtiman Municipality
Ihtiman ( ) is a town in western Bulgaria, part of Sofia Province. It is located in the Ihtiman Valley of the Ihtimanska Sredna Gora mountain range and lies in a valley 48 km from Sofia and 95 km from Plovdiv, close to the Trakiya motor ...
. Apart from the town of Ihtiman, there are eight villages —
Boeritsa,
Venkovets,
Verinsko,
Zhivkovo,
Mirovo,
Polyantsi,
Stambolovo and
Chernyovo.
The valley is served by several roads of the national network, as well as local roads. Its eastern reaches are traversed by a 11.9 km stretch
Trakia motorway
The Trakia motorway (, ) or Thrace motorway, designated A1, is a motorway in Bulgaria. It connects the capital city of Sofia, the city of Plovdiv and the city of Burgas on the Black Sea coast. The motorway is named after the historical region of ...
in direction northwest–southeast. Parallel to the motorway runs a 16.3 km section of the first class
I-8 road Kalotina
Kalotina ( ) is a village in the Dragoman Municipality, Sofia Province, in westernmost central Bulgaria. As of 2010, it has 270 inhabitants and the mayor is Lidia Bozhilova. The village is located at the border with Serbia, 55 km to the north ...
–
Sofia
Sofia is the Capital city, capital and List of cities and towns in Bulgaria, largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain, in the western part of the country. The city is built west of the Is ...
–
Plovdiv
Plovdiv (, ) is the List of cities and towns in Bulgaria, second-largest city in Bulgaria, 144 km (93 miles) southeast of the capital Sofia. It had a population of 490,983 and 675,000 in the greater metropolitan area. Plovdiv is a cultural hub ...
–
Kapitan Andreevo
Kapitan Andreevo ( ) is a village near the Bulgaria—Turkey—Greece tripoint in Svilengrad municipality, Haskovo Province, southern Bulgaria. As of 2005 it has 948 inhabitants and the mayor is Dimitar Shiderov. Due to the proximity with Turkey, ...
, both of them part of the strategic
European route E80
European route E80, also known as the Trans-European Motorway or TEM, is an A-Class West-East European route, extending from Lisbon, Portugal to Gürbulak, Turkey, on the border with Iran. The road connects 10 countries and has a length of ...
.
In direction west–east is located a 12.2 km stretch of the third class III-822 road
Samokov
Samokov ( ) List of cities and towns in Bulgaria, is a town in Sofia Province in the southwest of Bulgaria. It is situated in Samokov Valley between the mountain ranges of Rila, Vitosha and Sredna Gora, 55 kilometres from the capital Sofia. Due ...
–
Novo Selo–Ihtiman.
The center of the valley is traversed by railway line No. 1 Kalotina–Sofia–Plovdiv–
Svilengrad
Svilengrad (; ; ) is a town in Haskovo Province, south-central Bulgaria, situated at the tripoint of Bulgaria, Turkey, and Greece. It is the administrative centre of the homonymous Svilengrad Municipality.
Geography
Svilengrad is close to the ro ...
served by the
Bulgarian State Railways
The Bulgarian State Railways (, abbreviated as БДЖ, BDZ or BDŽ) are Bulgaria's state railway company and former largest railway carrier in the country, established as an entity in 1888. The company's headquarters are located in the capital So ...
.
The climatic and soil conditions of the Ihtiman Valley are favourable for agriculture, mainly cereals and potatoes, as well as animal husbandry.
In Ihtiman there is metallurgic, machine building and textile industry. The oldest golf course in Bulgaria is situated in the valley.
Citations
Sources
*
{{DEFAULTSORT:Ihtiman Valley
Valleys of Bulgaria
Landforms of Sofia Province