Urriðafoss is a powerful waterfall located in South Iceland, between Selfoss and Hella. Despite not being the tallest waterfall, it boasts an impressive water flow of 360 m³ per second, making it one of the most powerful in Europe. In the summer, it's a hotspot for salmon fishing enthusiasts. So, if you're driving around Iceland and want to witness some serious water power, make sure to swing by Urriðafoss for a dose of nature's awesomeness!