What four geyers are located in the Upper Geyer Basic of Yellowstone National Park ?
Waterfalls in Yellowstone National Park , including * Firehole Falls - Yellowstone National Park * Gibbon Falls - Yellowstone National Park * Kepler Cascades - Yellowstone National Park * Tower Fall - Yellowstone National Park * Union Falls - Yellowstone National Park * Yellowstone Falls – largest falls in the U.S. Rocky Mountains , the lower falls and the upper falls , plunge type flowing year - round