Whether you’re an avid paddler or a longtime fisherman, a thru-hiker or a casual outdoor enthusiast (or simply someone who enjoys a glass of water from time to time), there’s reason to love our nation’s rivers. The U.S. boasts over 250,000 rivers which add up to an impressive 3,500,000 miles. And in those millions of winding miles, we have everything from tranquil waterways and gushing rapids to wide tributaries bustling with industrial activity. Here are the top twenty longest rivers in the U.S (according to the U.S. Census Bureau):