White Water Rafting Boone NC, Banner Elk, Nolichucky, & Watauga. Abundant in scenic wonder, full of Native American history, and loaded with adventure and fun, High Mountain Expeditions rafting adventures are a once in a lifetime experience. Exploring the wilderness by river is an experience unlike any other. Discover hidden waterfalls and scenic wonders that are accessible only by river. Discover the rush and excitement of a High Mountain Expeditions whitewater adventure.