The Great Sand Dunes National Park and Preserve in Duncan, Colorado is home to mountainous sand dunes, and an incredibly diverse ecosystem. Besides the 30 square miles of Colorado sand dunes (including the tallest dunes in North America), the park is home to creeks, grasslands, subalpine forests, and alpine tundras, offering breathtaking surprises at every turn. Aspire Tours offers guided hiking, sightseeing and backpacking tours in both Great Sand Dunes National Park, and the Preserve.

We focus on crafting a unique experience for our guests that you won’t find anywhere else. Our adventure trips include some of the most beautiful and rare trails in the Great Sand Dunes National Park, and our guides are with you every step of the way to ensure you are able to get the most out of the experience. Sign up for a group hike, take a sightseeing tour, or let us help you pack for a backpacking trip like no other!