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Soča/Isonzo
River
Soca.jpg
The Soča near Bobarid
Country  Slovenia,  Italy
Municipalities Bovec, Kobarid, Tolmin, Kanal ob Soči, Nova Gorica, Gorizia, Savogna d'Isonzo, Farra d'Isonzo, Gradisca d'Isonzo, Sagrado, Fogliano Redipuglia, Villesse, San Pier d'Isonzo, Fiumicello, Turriaco, San Canzian d'Isonzo
Tributaries
 - left Idrijca, Vipava
 - right Torre
Landmark Solkan Bridge
Source
 - location Trenta Valley, Julian Alps, Slovenia
 - elevation 876 m (2,874 ft)
 - coordinates 46°24′35″N 13°33′09″E / 46.40972°N 13.55250°E / 46.40972; 13.55250
Mouth Gulf of Trieste
 - location Adriatic Sea, Italy
 - elevation m (0 ft)
 - coordinates 43°N 43°E / 43°N 43°E / 43; 43
Length 138 km (86 mi)
Basin 3,400 km² (1,313 sq mi)
Discharge for Pieris
 - average 172 /s (6,074 cu ft/s)

The Soča river is known as Soča in Slovene and Isonzo in Italian. It is also called Lusinç in Friulian. This beautiful river flows through two countries: western Slovenia and northeastern Italy.

The Soča is an Alpine river, meaning it starts high up in the mountains. Its source is in the Julian Alps in Slovenia. From there, it flows all the way to the Adriatic Sea, near the Italian town of Monfalcone.

About the Soča River

The Soča river is about 138 km (86 mi) long in total. Most of its length, 96 km (60 mi), is in Slovenia. The remaining 43 km (27 mi) flows through Italy.

The area of land that drains into the Soča river is called its drainage basin or watershed. This area is very mountainous. Its average height is about 599 m (1,965 ft) above sea level. The total size of this watershed is 3,400 km2 (1,313 sq mi). About 66% of it is in Slovenia, and 34% is in Italy.

The Soča river is special because it is one of the few places where you can find the Marble trout (Salmo marmoratus). This unique fish lives in its waters.

The River's Journey

Slovenija-reke-soca
Course of the Soča/Isonzo

The Soča river begins its journey high in the Trenta Valley in the Julian Alps. This is in northwestern Slovenia, at a height of 876 m (2,874 ft).

The river flows through the Triglav National Park. This park is home to Triglav mountain, which is the highest peak in the Julian Alps. After leaving the mountains, the Soča flows south. It passes by several Slovenian towns:

Near Nova Gorica, the river goes under the famous Solkan Bridge. At this point, the river is about 56 m (184 ft) high. Here, it crosses the border and enters Italy.

In Italy, the river is called the Isonzo. It flows through many towns, called comuni, in the Friuli-Venezia Giulia region. These towns include:

  • In the Province of Gorizia: Gorizia, Savogna d'Isonzo, Farra d'Isonzo, Gradisca d'Isonzo, Sagrado, Fogliano Redipuglia, Villesse, San Pier d'Isonzo, Turriaco, San Canzian d'Isonzo, Staranzano, and Grado.
  • In the Province of Udine: Only one town, Fiumicello. The river flows through a small part of this town near the border with Gorizia.

Finally, the Isonzo river reaches the Gulf of Trieste in the Adriatic Sea. It ends its journey in a special protected area called the Riserva Naturale della Foce dell'Isonzo. This natural reserve is southwest of Monfalcone.

Main Rivers Joining the Soča

Other rivers flow into the Soča, adding to its water. These are called tributaries.

  • Rivers joining from the left:
    • Idrijca: This river is 60 km (37 mi) long. It joins the Soča river in Most na Soči, a town in the Tolmin area.
    • Vipava: This river is 49 km (30 mi) long. It joins the Soča river in Italy, in the area of Savogna d'Isonzo.
  • Rivers joining from the right:
    • Torre: This river is 70 km (43 mi) long.

History of the Soča Valley

The valley where the Soča river flows has a very important history. During World War I, from May 1915 to November 1917, many battles took place here. These battles were fought between soldiers from Austria-Hungary and Italy. Sadly, over 300,000 soldiers lost their lives in this valley.

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See also

Kids robot.svg In Spanish: Isonzo para niños

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