|Length||92.5 km (57.5 mi)|
|Basin size||1,160 km2 (450 sq mi)|
|Progression||Danube→ Black Sea|
The river takes its source from the foot of Midzhur (2,168 m), the highest peak of western Stara Planina, on the Bulgarian-Serbian border, and mainly flows northeast until its upper course, where it heads north. It passes the villages of Gorni Lom, Dolni Lom, Sredogriv, Falkovets, Ruzhintsi, Drazhintsi, Belo Pole, Roglets, Drenovets, Topolovets, Knyazheva Mahala, Kriva Bara, Vasilovtsi, Staliyska Mahala, Traykovo, as well as three quarters of the town of Lom: Momin Brod, Dalgoshevtsi and Golintsi.