The Gudenå River is the longest river in Denmark, stretching approximately 160 kilometers. It flows through the central part of the country, starting from Tinnet Krat and emptying into Randers Fjord. The river is known for its scenic beauty and diverse ecosystems, making it a popular destination for outdoor activities like fishing and canoeing. The river's basin supports various wildlife and plant species, contributing to its ecological significance. Along its banks, several towns, including Silkeborg and Randers, offer recreational opportunities and cultural attractions. The Gudenå River is an important natural resource for the region, providing both environmental and economic benefits.