Due to the many long tributaries creating a branchy system within the river's drainage area, the short Kolubara drains relatively large area of 3,639 km² (1,405 sq mi).
It belongs to the Black Sea drainage basin.

The river is not navigable, but its valley is very important for transportation.
Here are located Belgrade-Valjevo road, parts of Belgrade-Šabac road, Ibarska magistrala (Highway of Ibar) and the Belgrade-Bar railway.

The Kolubara was the site of one of the major battles on the Balkans in the World War I, the Battle of Kolubara in 1914.

There is a game hunting ground "Kolubara" in the valley of the river, on the territory of the Lazarevac municipality.
Due to the many long tributaries creating a branchy system within the river's drainage area, the short Kolubara drains relatively large area of 3,639 km² (1,405 sq mi). It belongs to the Black Sea drainage basin.
The river is not navigable, but its valley is very important for transportation. Here are located Belgrade-Valjevo road, parts of Belgrade-Šabac road, Ibarska magistrala (Highway of Ibar) and the Belgrade-Bar railway.
The Kolubara was the site of one of the major battles on the Balkans in the World War I, the Battle of Kolubara in 1914.
There is a game hunting ground "Kolubara" in the valley of the river, on the territory of the Lazarevac municipality.
Kolubara