The Þjórsá River is the longest river in Iceland, stretching approximately 230 kilometers. It originates from the glacier Vatnajökull and flows through the southern part of the country before emptying into the Atlantic Ocean. The river is known for its powerful currents and scenic landscapes, making it a significant natural feature in the region. The river is also important for hydroelectric power generation, with several dams built along its course. These dams help harness the river's energy, contributing to Iceland's renewable energy resources. Additionally, the Þjórsá River supports diverse wildlife and offers recreational opportunities for fishing and hiking.