Traisen (river)

The Traisen is a river in Lower Austria. It is a right tributary of the Danube, with a length of approximately 80 kilometers (50 miles). The Traisen's source lies in the Göller massif of the Gutenstein Alps, near Türnitz. From there, it flows generally eastward, passing through or near the towns of Lilienfeld, Traisen (giving the river its name), Sankt Pölten (the capital of Lower Austria), and Herzogenburg. It joins the Danube River near Zwentendorf an der Donau.

The Traisen valley is an important transportation corridor and industrial area. The river is also used for hydroelectric power generation. Historically, the Traisen played a role in the timber industry, with logs being floated downstream to the Danube. Today, the river is popular for recreational activities such as hiking and cycling along its banks. The water quality of the Traisen has been a subject of environmental concern, but efforts have been made to improve it.