The Haliacmon ( el, Αλιάκμονας, ''Aliákmonas''; formerly: , ''Aliákmon'' or ''Haliákmōn'') is the longest river flowing entirely in
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 a total length of . In Greece there are three rivers longer than Haliakmon,
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 ,Struma (Strymónas), both coming from
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 ...
, and
Vardar
The Vardar (; mk, , , ) or Axios () is the longest river in North Macedonia and the second longest river in Greece, in which it reaches the Aegean Sea at Thessaloniki. It is long, out of which are in Greece, and drains an area of around . Th ...
( el, Αξιός) coming from
North Macedonia
North Macedonia, ; sq, Maqedonia e Veriut, (Macedonia before February 2019), officially the Republic of North Macedonia,, is a country in Southeast Europe. It gained independence in 1991 as one of the successor states of Yugoslavia. It ...
, but the length of each one of them in Greek territory is less than that of Haliakmon, which flows entirely in Greece. ''Haliacmon'' is the traditional English name for the river, but many sources cite the formerly official
Katharevousa
Katharevousa ( el, Καθαρεύουσα, , literally "purifying anguage) is a conservative form of the Modern Greek language conceived in the late 18th century as both a literary language and a compromise between Ancient Greek and the contempor ...
version of the name, ''Aliákmon''. Today, the only official variant is the
demotic
Demotic may refer to:
* Demotic Greek, the modern vernacular form of the Greek language
* Demotic (Egyptian), an ancient Egyptian script and version of the language
* Chữ Nôm, the demotic script for writing Vietnamese
See also
*
* Demos (disa ...
''Aliákmonas''. It flows through the Greek
regions
In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...
of
West Macedonia
Western Macedonia ( el, Δυτική Μακεδονία, translit=Ditikí Makedonía, ) is one of the thirteen regions of Greece, consisting of the western part of Macedonia. Located in north-western Greece, it is divided into the regional unit ...
(
Kastoria
Kastoria ( el, Καστοριά, ''Kastoriá'' ) is a city in northern Greece in the region of Western Macedonia. It is the capital of Kastoria regional unit, in the geographic region of Macedonia. It is situated on a promontory on the weste ...
,
Grevena
Grevena ( el, Γρεβενά, ''Grevená'', , rup, Grebini) is a town and municipality in Western Macedonia, northern Greece, capital of the Grevena regional unit. The town's current population is 13,374 citizens (2011). It lies about from Ath ...
and
Kozani
Kozani ( el, Κοζάνη, ) is a city in northern Greece, capital of Kozani regional unit and of Western Macedonia. It is located in the western part of Macedonia, in the northern part of the Aliakmonas river valley. The city lies above sea ...
regional units) and
Central Macedonia
Central Macedonia ( el, Κεντρική Μακεδονία, Kentrikí Makedonía, ) is one of the thirteen administrative regions of Greece, consisting of the central part of the geographical and historical region of Macedonia. With a populat ...
(
Imathia
Imathia ( el, Ημαθία ) is one of the regional units of Greece. It is part of the region of Central Macedonia, within the geographic region of Macedonia. The capital of Imathia is the city of Veroia.
Administration
The regional unit Ima ...
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 .
Name
The name (in Greek) is composite and derives from (salt, sea) and (anvil). In
Greek mythology
A major branch of classical mythology, Greek mythology is the body of myths originally told by the ancient Greeks, and a genre of Ancient Greek folklore. These stories concern the origin and nature of the world, the lives and activities ...
Haliakmon was one of the
Potamoi
The Potamoi ( grc-gre, Ποταμοί, "Rivers") are the gods of rivers and streams of the earth in Greek mythology.
Mythology
The river gods were the 3000 sons of the great earth-encircling river Oceanus and his wife Tethys and the brothers of ...
, who were sons of Oceanus and Tethys, according to the allegorical obsessive-anthropomorphic concept familiar to the
Ancient Greeks
Ancient Greece ( el, Ἑλλάς, Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity ( AD 600), that comprised a loose collection of cult ...
, on geological upheaval after Deucalion's deluge.
An ancient tradition says that sheep that drank water from Haliakmon would turn their colour to white. This tradition is confirmed by the following record of the Roman author
Pliny the Elder
Gaius Plinius Secundus (AD 23/2479), called Pliny the Elder (), was a Roman author, naturalist and natural philosopher, and naval and army commander of the early Roman Empire, and a friend of the emperor Vespasian. He wrote the encyclopedic ' ...
(23-79 AD) : ''Similarly in Macedonia, those who want their sheep to be white go to Haliakmon, while those (who want them to be) black (go) to Axios (
Vardar
The Vardar (; mk, , , ) or Axios () is the longest river in North Macedonia and the second longest river in Greece, in which it reaches the Aegean Sea at Thessaloniki. It is long, out of which are in Greece, and drains an area of around . Th ...
)''.
Ottoman Turks called the river Ince-Karasu (narrow-black water), a name still used in
Turkey
Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...
Before the construction of its diversion dam near the village of Aghia Varvara in the mid-1950s, Haliakmon had no permanent river bed in its lowland course. It often flooded and formed extensive
marsh
A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found a ...
es. Its devastating fury in December 1935 remains fresh in memory of the elder inhabitants of the region (
Veria
Veria ( el, Βέροια or Βέρροια), officially transliterated Veroia, historically also spelled Berea or Berœa, is a city in Central Macedonia, in the geographic region of Macedonia, northern Greece, capital of the regional unit of ...
Gramos
Gramos ( sq, Gramoz, Mali i Gramozit; rup, Gramosta, Gramusta; el, Γράμος or Γράμμος) is a mountain range on the border of Albania and Greece. The mountain is part of the northern Pindus mountain range. Its highest peak, at the ...
mountains in northern Greece, near the border with
Albania
Albania ( ; sq, Shqipëri or ), or , also or . officially the Republic of Albania ( sq, Republika e Shqipërisë), is a country in Southeastern Europe. It is located on the Adriatic and Ionian Seas within the Mediterranean Sea and shares ...
. In its upper course it flows generally towards the east, and turns southeast near
Kastoria
Kastoria ( el, Καστοριά, ''Kastoriá'' ) is a city in northern Greece in the region of Western Macedonia. It is the capital of Kastoria regional unit, in the geographic region of Macedonia. It is situated on a promontory on the weste ...
. It describes a wide curve around the
Vourinos
Vourinos ( el, Βούρινος) is a mountain range covering the eastern Grevena and southern Kozani regional units in Greece. Its highest elevation is . Its length is approximately from northwest to southeast. It is drained by the river Alia ...
mountains, and turns northeast near the village
Paliouria
Paliouria ( el, Παλιουριά, before 1928: Ζημνιάτσι - ''Zimniatsi'') is a village in northern Greece. It is located at the root of the west end of the Kamvounia (Καμβούνια) mountain chain, near the Haliacmon river. Its alti ...
. It feeds the large artificial Lake Polyfytos, that was created after the construction of the namesake hydroelectric dam and consists almost its entire course through the Kozani prefecture. Over the bridge runs the
Lake Polyfytos Bridge The Servia High Bridge ( el, Υψηλή Γέφυρα Σερβίων, translit=Ypsili Gefyra Servion) is one of the longest bridges in Greece, with a length of 1,372 m. Construction began in 1972 along with the artificial lake and was completed in 1 ...
Veria
Veria ( el, Βέροια or Βέρροια), officially transliterated Veroia, historically also spelled Berea or Berœa, is a city in Central Macedonia, in the geographic region of Macedonia, northern Greece, capital of the regional unit of ...
, the Haliacmon enters the central Macedonian plains, an area of great importance to agriculture. It flows into the
Thermaic Gulf
The Thermaic Gulf (), also called the Gulf of Salonika and the Macedonian Gulf, is a gulf constituting the northwest corner of the Aegean Sea. The city of Thessaloniki is at its northeastern tip, and it is bounded by Pieria Imathia and Laris ...
west of the delta of the
Axios Axios commonly refers to:
* Axios (river), a river that runs through Greece and North Macedonia
* ''Axios'' (website), an American news and information website
Axios may also refer to:
Brands and enterprises
* Axios, a brand of suspension produ ...
(''Vardar''), northeast of the coastal town Methoni.
Haliakmon's tributaries include Gramos, Ladopotamos, Pramoritsa, Grevenitikos, Venetikos and Tripotamos.
The Haliacmon flows along the towns (in downstream order)
Nestorio
Nestorio ( el, Νεστόριο, ''Nestório''; Ancient Greek: Βάττυν; mk, Нестрам and bg, Нестрам, ''Nestram'' or Нѐсрам, ''Nésram'') is a village and a municipality in the Kastoria regional unit of Macedonia, Gre ...
,
Argos Orestiko
Argos Orestiko ( el, Άργος Ορεστικό, , Orestean Argos, before 1926: Χρούπιστα - ''Chroupista''; rup, Hrupishte) is a town and a former municipality in the Kastoria regional unit, Greece. Since the 2011 local government refo ...
Paliouria
Paliouria ( el, Παλιουριά, before 1928: Ζημνιάτσι - ''Zimniatsi'') is a village in northern Greece. It is located at the root of the west end of the Kamvounia (Καμβούνια) mountain chain, near the Haliacmon river. Its alti ...
,
Velventos
Velventos ( el, Βελβεντός) is a town and municipality in Kozani regional unit, West Macedonia, Greece. The 2011 census recorded 3,360 people in the village of Velventos, 3,399 in the municipal community and 3,448 in the municipal unit. Th ...
Haliakmon contains 33 kinds of fish. These include brown trout,
gilt-head bream
The gilt-head (sea) bream (''Sparus aurata''), known as Orata in antiquity and still today in Italy and Tunisia (known as "Dorada" in Spain, "Dourada" in Portugal and "Dorade Royale" in France), is a fish of the bream family Sparidae found in th ...
,
sardine
"Sardine" and "pilchard" are common names for various species of small, oily forage fish in the herring family Clupeidae. The term "sardine" was first used in English during the early 15th century, a folk etymology says it comes from the It ...
eel
Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
nursehound
The nursehound (''Scyliorhinus stellaris''), also known as the large-spotted dogfish, greater spotted dogfish or bull huss, is a species of catshark, belonging to the family Scyliorhinidae, found in the northeastern Atlantic Ocean. It is general ...
garfish
The garfish (''Belone belone''), also known as the garpike or sea needle, is a pelagic, oceanodromous needlefish found in brackish and marine waters of the Atlantic Ocean and the Mediterranean, Caribbean, Black, and Baltic Seas.
Description
The ...
,
red porgy
The red porgy (''Pagrus pagrus''), or common seabream, is a species of marine Actinopterygii, ray-finned fish in the family Sparidae. It is found in shallow waters on either side of the Atlantic Ocean, being present on the western coast of Europe ...
angler
Angler may refer to:
* A fisherman who uses the fishing technique of angling
* ''Angler'' (video game)
* The angler, ''Lophius piscatorius'', a monkfish
* More generally, any anglerfish in the order Lophiiformes
* '' Angler: The Cheney Vice Pres ...
sand steenbras
The sand steenbras or striped seabream (''Lithognathus mormyrus'') is a species of marine fish in the family Sparidae. It is found in shallow water in the Mediterranean Sea and in the eastern Atlantic Ocean from France to South Africa. It also oc ...
,
mullus barbatus
''Mullus barbatus'' (red mullet) is a species of goatfish found in the Mediterranean Sea, Sea of Marmara, the Black Sea and the eastern North Atlantic Ocean, where its range extends from Scandinavia to Senegal. They are fished, mostly by trawlin ...
, freshwater bass,
tuna
A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae ( mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max len ...
,
salmon
Salmon () is the common name for several commercially important species of euryhaline ray-finned fish from the family Salmonidae, which are native to tributaries of the North Atlantic (genus ''Salmo'') and North Pacific (genus '' Oncorhy ...
weever
Weevers (or weeverfish) are nine extant species of fishes of family Trachinidae, order Trachiniformes, part of the Percomorpha clade. They are long (up to 37 cm), mainly brown in color, and have venomous spines on their first dorsa ...
school shark
The school shark (''Galeorhinus galeus'') is a houndshark of the family Triakidae, and the only member of the genus ''Galeorhinus''. Common names also include tope, tope shark, snapper shark, and soupfin shark. It is found worldwide in temperate ...
and
turbot
The turbot (''Scophthalmus maximus'') is a relatively large species of flatfish in the family Scophthalmidae. It is a demersal fish native to marine or brackish waters of the Northeast Atlantic, Baltic Sea and the Mediterranean Sea. It is an ...
. About 30 of them are indigenous, while the rest were introduced by human intervention. Many of them are considered scarce and one, ''mavrotsironi'', lives nowhere else in the world, i.e. it is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...
. Μost of these kinds of fish have no commercial value but only biological, since they support the
food web
A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system. Ecologists can broadly lump all life forms into one o ...
. Fish found in Haliakmon, like carp and rainbow trout, indicate that its water is still pure. Some eels are found in its estuaries, that cannot migrate, hindered by the dams.
For amateur fishermen the river has been enriched with introduced rainbow trout, that is not easy to reproduce, so there is no danger of disturbance of the river's
ecosystem
An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the syste ...
.
In the place where the river flows into the sea, there has been formed over the years an extended
Delta
Delta commonly refers to:
* Delta (letter) (Δ or δ), a letter of the Greek alphabet
* River delta, at a river mouth
* D ( NATO phonetic alphabet: "Delta")
* Delta Air Lines, US
* Delta variant of SARS-CoV-2 that causes COVID-19
Delta may also ...
of 4.000 hectares, because of the large dam that was constructed and retains much of the brought matters. As a result, silting has been greatly reduced and during the summer, when there is not much water, the sea enters and largely overwhelms the river bed.
Flathead mullet
The flathead grey mullet (''Mugil cephalus'') is an important food fish species in the mullet family Mugilidae. It is found in coastal tropical and subtropical waters worldwide. Its length is typically . It is known with numerous English name ...
s and
European seabass
The European bass (''Dicentrarchus labrax'') is a primarily ocean-going fish native to the waters off Europe's western and southern and Africa's northern coasts, though it can also be found in shallow coastal waters and river mouths during the su ...
es are found in Haliakmon's Delta. In the shallow marine areas formed there, the fry of many
Aegean Sea
The Aegean Sea ; tr, Ege Denizi (Greek: Αιγαίο Πέλαγος: "Egéo Pélagos", Turkish: "Ege Denizi" or "Adalar Denizi") is an elongated embayment of the Mediterranean Sea between Europe and Asia. It is located between the Balkans ...
's fish finds a place to reproduce, while about 90% of Greece's mussels are produced in the Haliakmon-Axios (Vardar) Delta. Aliki Kitrous is an area of 254 hectares, where 15–20.000 tons of
salt
Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quant ...
are produced per year.
Many kinds of birds have been observed in Haliakmon's region. They use it for accommodation and overwintering, like the
duck
Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided among several subfamilies, they are a form ...
s, or to rest on their long migratory journey. There have been observed 215 kinds of birds and about ⅓ of them nest in the region. Over 10% of the birds are endangered. They include
Dalmatian pelican
The Dalmatian pelican (''Pelecanus crispus'') is the largest member of the pelican family, and perhaps the world's largest freshwater bird, although rivaled in weight and length by the largest swans. They are elegant soaring birds, with wingspa ...
and
curlew
The curlews () are a group of nine species of birds in the genus ''Numenius'', characterised by their long, slender, downcurved bills and mottled brown plumage. The English name is imitative of the Eurasian curlew's call, but may have been in ...
, that are considered to be among the rarest birds in the world. 27 kinds of rare and protected kinds of birds nest in the region, like purple heron.
History
In antiquity,
Claudius Ptolemy
Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importa ...
called the chain of mountains in which the river rises (northern
Pindus
The Pindus (also Pindos or Pindhos; el, Πίνδος, Píndos; sq, Pindet; rup, Pindu) is a mountain range located in Northern Greece and Southern Albania. It is roughly 160 km (100 miles) long, with a maximum elevation of 2,637 metres ...
) the ''Canalovii''. According to
Julius Caesar
Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, ...
, the Haliacmon formed the line of demarcation between
Macedon
Macedonia (; grc-gre, Μακεδονία), also called Macedon (), was an Classical antiquity, ancient monarchy, kingdom on the periphery of Archaic Greece, Archaic and Classical Greece, and later the dominant state of Hellenistic Greece. Th ...
and
Thessaly
Thessaly ( el, Θεσσαλία, translit=Thessalía, ; ancient Thessalian: , ) is a traditional geographic and modern administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, The ...
. In the upper part of its course it took a southeast direction through
Elimiotis
Elimiotis or Elimeia ( grc, Ἐλιμιώτις or Ἐλιμία or Ἐλίμεια) was a region of Upper Macedonia that was located along the Haliacmon river. The capital of Elimiotis was Aiani, located in the modern municipality of Kozani, ...
, which it watered; and then, continuing to the northeast, formed the boundary between Pieria,
Eordaea
Eordaea ( el, Ἐορδαία) was a geographical region of upper Macedonia and later an administrative region of the kingdom of Macedon. Eordaea was located south of Lynkestis, west of Emathia, north of Elimiotis and east of Orestis.Di ...
, and
Imathia
Imathia ( el, Ημαθία ) is one of the regional units of Greece. It is part of the region of Central Macedonia, within the geographic region of Macedonia. The capital of Imathia is the city of Veroia.
Administration
The regional unit Ima ...
. In the time of
Herodotus
Herodotus ( ; grc, , }; BC) was an ancient Greek historian and geographer
A geographer is a physical scientist, social scientist or humanist whose area of study is geography, the study of Earth's natural environment and human society ...
the Haliacmon was apparently joined by the Loudiasbr>7, 127 the discharge of the lake of
Pella
Pella ( el, Πέλλα) is an ancient city located in Central Macedonia, Greece. It is best-known for serving as the capital city of the ancient Greek kingdom of Macedon, and was the birthplace of Alexander the Great.
On site of the ancient cit ...
; but a change has taken place in the course of the Loudias, which no longer joins the Haliacmon, but flows directly into the
Aegean Sea
The Aegean Sea ; tr, Ege Denizi (Greek: Αιγαίο Πέλαγος: "Egéo Pélagos", Turkish: "Ege Denizi" or "Adalar Denizi") is an elongated embayment of the Mediterranean Sea between Europe and Asia. It is located between the Balkans ...
. The image below shows a
wind gap
A wind gap (or air gap) is a gap through which a waterway once flowed that is now dry as a result of stream capture. A water gap is a similar feature, but one in which a waterway still flows. Water gaps and wind gaps often provide routes which ...
between the Haliacmon and Loudias watersheds that is the probable ancient course of the Haliacmon.
It was the domain of the eponymous river god
Haliacmon
The Haliacmon ( el, Αλιάκμονας, ''Aliákmonas''; formerly: , ''Aliákmon'' or ''Haliákmōn'') is the longest river flowing entirely in Greece, with a total length of . In Greece there are three rivers longer than Haliakmon, Maritsa ( e ...
.
Gallery
File:Haliacmon Wind Gap.png, GIS map of Aliacmon
File:Haliacmonas river from above.jpg, View from above
File:20210402- DSF5103-HDR.jpg, The river near Sfikia