Travelers are voting Yellowstone Falls, Union Falls and Fairy Falls as the best of 19 waterfalls in Yellowstone National Park. There are 2 waterfalls near Island Park a city just 34 km from Yellowstone National Park and 10 waterfalls near Moran which is 46 km distant. The most popular of these are Upper Mesa Falls near Island Park and Moose Falls in Moran. You can find 135 Waterfall in the country of United States and Niagara Falls is our members favorite Waterfall in all of United States. Want more? Check out our map of waterfalls in Yellowstone National Park.