Aliakmonas
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Aliakmonas Αλιάκμωνας, Aliakmon, Haliakmon |
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 Satellite image of the course of the Aliakmonas River in Greece (highlighted in blue) |
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| Data | ||
| location | Greece , Macedonia region | |
| River system | Aliakmonas | |
| source | Gramos , Pindos Mountains | |
| muzzle |
Thermaic Golf Coordinates: 40 ° 28 ′ 53 ″ N , 22 ° 38 ′ 27 ″ E 40 ° 28 ′ 53 ″ N , 22 ° 38 ′ 27 ″ E |
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| Mouth height |
0 m
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| length | 297 km | |
| Left tributaries | Greveniotis , Venetikos , Sarandaporos | |
| Medium-sized cities | Kastoria , Veria | |
| Small towns | Nestorio , Argos Orestiko , Servia | |
 Polyfytos Bridge (Servia / Neraida Bridge) |
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The Aliakmonas ( Greek Αλιάκμωνας Aliákmonas , ancient Greek Ἁλιάκμων Haliákmōn , ion. Aliákmōn ; Latin Haliacmon ) is the longest river in Greece with 297 kilometers .
The river has its source in the Voio , part of the northern Pindos Mountains in northern Greece, on the border with Albania . It flows first southeast, then northeast through the administrative regions of West and Central Macedonia through the Polyfytos reservoir and finally into the Thermaic Gulf . The Aliakmonas irrigates an extensive area and is therefore very important for the agriculture of the region. The river forms the western part of the Axios delta and flows through the regional districts of Florina , Kastoria , Grevena , Kozani , Imathia and Pieria .
In ancient times , Ptolemy called the mountain range in which the river originates (today northern Pindus ) Canavolii . Julius Caesar reports that the Aliákmonas formed the borderline between Macedonia and Thessaly . The river irrigated the Elimiotis region and then formed the border between Pieria, Eordaea and Imathia. At the time of Herodotus the Loudias river flowed into the Aliákmonas, but today the Loudias flows directly into the Aegean Sea .