Come learn some pro tips and tricks about backpacking in the Great Sand Dunes and Sangre de Cristo Wilderness Areas. Visitors will learn -leave no trace principles and safe ways to explore the Great Sand Dunes National Park and Preserve. Amphitheater, 30 minutes. Limited space, register by calling the visitor center at 719-378-6395 between 9:00 a.m. and 4:30 p.m.