Sand Dune Rock

As long as the wind blows, the ridge of sand will continue to build until it becomes a dune.

To learn more about this process, read How Sand Dunes Work. Sand comes from rocks. When rocks erode over time, their pieces are picked up by wind, water or ice as in glaciers.

The most common ingredient in sand is quartz, also called silica. The makeup of sand will vary from place to place, too, depending on the makeup of the local rocks.

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How Sand Dunes Work. How Desert Survival Works. Are sand dunes really alive?

Sand Dune - Rock

National Parks Image Gallery Sand dunes aren't living things, but they have some characteristics that make them seem quite lively. See more amazing landscapes in these pictures of national parks. Novice riders learn the ropes on flatter areas and smaller dunes while the experts show their skills on mammoth dunes that reach feet high. You can also hike the dunes and see awe-inspiring sites surrounding Killpecker. And at the end of the day as the sun dips down, look west.

5 Things You Can’t Miss at Killpecker Sand Dunes | Sweetwater County, WY

Wild horses can still be seen in this area today, thriving on the grasses of the Red Desert. These wild horses are descendants of horses brought to the New World by the Spanish in the 16th century. Visit the Leucite Hills, within the Killpecker Sand Dunes, to view the wild horses still running free today. The rough and rocky terrain and numerous springs of fresh water located in the Leucite Hills make it perfectly suited for wild horses, and is a great spot to see their beauty.

Sand dune rock - Picture of Alwathba Fossil Dunes, Abu Dhabi

Listen for the sounds of hooves galloping across the sand and look for manes flying in the air at the dunes. On foot, discover the land where ancient volcanoes once spewed hot lava and where prehistoric and early historic Native Americans once lived. Many outdoor enthusiasts enjoy hiking in this breathtaking area. The dunes encompass , total acres, leaving plenty of space for you to explore.

The area around the Killpecker Sand Dune Field is home to a herd of rare desert elk, found nowhere else in North America. Come see these rare creatures in their natural habitat.

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Boar's Tusk, the core of an ancient volcano, rises straight out of the ground and guards the sand dunes. Standing feet high, it is a striking feature in the middle of the desert and prominent landmark on the Overland Emigrant Trail. Along with Devil's Tower in Northeast Wyoming, it's one of only two such geological features in the state, and this natural attraction is not one to miss.