Enns (river) below the Enns"). Finally, it meets the Danube at Mauthausen and the city of Enns. The Enns is a typical wild water river and draws its water from an area of more than , which is the fifth-largest in Austria. The average outflow at its mouth is . The Anisian Age in the Triassic Period of geological time is named from Anisus, the Latin name of the river Enns. In the middle of the 19th century, canals began to be built along the between Weißenbach and the Gesäuse, in order to make use of the water for agriculture and forestry.
Kobuk River Beaver Creek, Mauneluk River, Kogoluktuk River, Shungnak River, Ambler River, Akillik River, Tutuksuk River, Salmon River, and the Squirrel River. Within Kobuk Valley National Park, are the Kallarichuk, Kaliguricheark, and Adillik rivers. All of their headwaters are in the Baird Mountains. The major tributaries flowing north from the Waring Mountains are the Pah River, Pick River, and Niaktuvik Creek. The Pah River drains a lowland area of the basin. Most major tributaries draining high relief areas have higher unit runoff than tributaries draining the lower relief areas. Walker Lake is at an altitude of in the headwaters of the Kobuk