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The tallest dunes in North America are up to 750 feet tall and neighbor grasslands, shrublands and wetlands. They were formed by sand deposits of the Rio Grande on the San Luis Valley, and the park also has alpine lakes, six 13,000-foot mountains, and ancient forests.

Lessor trail in the park. Doable by most. Gets you to the creek. and edge of the dunes. Have done it several times when visiting with different groups

hiking
12 days ago

Amazing!!! Went with my hubby and our 4, 6 and 10 year old boys and it was fantastic! We made it only about 2/3 up the high dune because it is a difficult trek, especially for the four year old. But so worth it! We rented sand sleds from Kristi's in Alamosa. We made memories that will last forever on the beautiful sand dunes.

hiking
20 days ago

This is a must-see! My boyfriend and I set out to get to the high dune, but once we reached the top, we kept continuing back and beyond, into lower areas. The heights of the some of the dunes are a little frightening, but just remember that you're surrounded by sand, and the worst thing that could happen to you is getting covered in it. It's otherworldly...utterly beautiful, and a hike I would highly recommend to anyone wanting an adventure. Once you get past the strenuous uphill climb, it levels out a bit, and you'll be free to frolic on the dunes!

Crazy beautiful! Be prepared for wind, the sand will get everywhere, including your camera gear!

The dunes are difficult to climb but not nearly as impossible as people made it seem it was going to be.

Tip: If you're wanting to see the creek, it comes and goes so call and ask about it!

hiking
1 month ago

BEAUTIFUL. If it's windy, make sure you have covering for all your body parts. Sand is difficult to hike in, so be prepared to spend longer than usual out there.

hiking
1 month ago

hiking
5 months ago

hiking
5 months ago

Easy but interesting. Good for the end of a long day.

hiking
5 months ago

Love the Sand Dunes! There's really no "trail" to speak of, just miles of sand and dunes. It's a lot of work getting to the tops of the high dunes, and the expanse of the area makes distances rather deceiving. In summertime, it's good to start out early, before sunrise. The dunes are much less crowded then, and the sand won't burn your feet.

hiking
5 months ago

hiking
5 months ago