Abava

The Abava is a river in Latvia and the largest tributary of the Venta. It flows through Tukums, Talsi and Kuldiga districts. Fifty percent of the basin is covered by forests.
Its valley was submitted for inclusion in the UNESCO World Heritage List.
Characteristics of the river.
The river begins at the Lestene-ENAV marsh, on the eastern side of the Eastern Highlands at an elevation of above sea level. The upper Abava is straightened, and flows in a northerly direction. At Kandava, it turns westward and follows a winding course. It descends through a height of . The river has a number of dolomite rapids with a velocity of . The second largest waterfall in Latvia, the Abava Waterfall (Latvian: Abavas rumba), is on this river.
The Abava is crossed by an unusual "Bridge to Nowhere" (Tilts uz nekurieni) in the village of Irlavas, near Sāti. Built in 1940 as part of a planned railway between Tukums and Kuldiga, it was completed but the railway linkage construction was halted by World War II. During their occupation of Latvia, the Germans made initial plans to complete the railroad, but were unsuccessful in carrying the plans to completion. The concrete span is 55 meters in length.