Lidan is a Swedish river in the historical province Västergötland and the current Västra Götalands län. Lidan flows into Vänern by Lidköping and therefore the name of the city Lid-köping. The river begins in the highland of Ulricehamn.Asp is having the river as its habitat. The river is 93 kilometer long and its basin is 2.262 km².
Lidan river in Lidköping in the evening
Lidköping harbour on Lidan river
Coordinates: 58°30′41″N 13°09′59″E / 58.5114°N 13.1664°E