Access to White Butte Highest Point in North Dakota, 3506 ft. Photo of White Butte. Access to R.V. park - East side of highway. Pick up the trail of America's greatest legends in North Dakota, and you'll find yourself in a legendary adventure of your own. Lewis and Clark, Sakakawea, George Custer, Sitting Bull and Theodore Roosevelt lived out larger-than-life adventures here. Whether you follow in their footsteps and rediscover the past or blaze your own trail and discover what makes North Dakota legendary today, you'll find wide-open spaces and wide-open fun!