The grandeur and majestic falls at Yosemite National Park. Yosemite Falls inside Yosemite National Park is the highest waterfall that has been measured in North America. A truly impressive falls Yosemite Falls is broken up into 3 sections, the top of the falls being the largest drop and this image is 1,430 feet, the middle section is 675 feet and the lower section where it comes to a thundering end is 320 feet. Best time to view the falls is April / May at peak snow melt.