Experts agree the whitewater rafting in Idaho ranks among the best in the world, and this stretch along the South Fork Payette features Class IV rapids that will really put you to the test. When you take this Idaho experience, be ready to get wet and have some fun. Two different routes are available – to begin with, the Helende is perfect for families with children aged upwards of 5. Plenty of bouncing around but nothing too challenging. Stop for a picnic lunch at some hot springs then take a dip in a watering hole before continuing your run.