White Sands’ bright dunes are made of gypsum. That mineral gives the landscape its distinctive pale appearance and connects it to a geological story involving water, crystals, and wind.
The dunes may look simple from a distance, but their forms and living communities reward a closer look.
Understand why this sand is different
The park’s geology guide explains how water and wind help break gypsum crystals into smaller grains.
Look for ripples, crests, and changes in the dune surface. The landscape is not fixed: movement is part of what makes it interesting.
Begin with a suitable established route
Choose a boardwalk, marked trail, or designated area that fits your abilities and the conditions. A short outing can provide a strong introduction without heading far into open dunes.
The official White Sands website provides current visiting information, including access changes. Check it before departure.

Notice life in an exposed environment
Plants and animals have ways of living in this unusual setting. Interpretation can help you notice adaptations that are easy to miss in the broad white view.
Leave vegetation and natural objects undisturbed, and avoid stepping through planted areas just to find a smoother photographic foreground.

Plan for sun, temperature, and navigation
Bright sand and limited shade make water, clothing, and timing important. Conditions can change, and the dunes may be disorienting if you leave a marked route.
Follow official trail and safety guidance, and make the return journey part of the plan from the start.
White Sands is most memorable when you look beyond its color. Each ripple and patch of life reveals an environment shaped by several forces working together—and worth protecting with careful footsteps.
Part of Visit America’s 100 places to visit in the USA.
Photo credits
Featured image: Panoramic view of the gypsum dunes at White Sands. Photo: Ben Soyka. Original photograph; CC BY-SA 4.0. Resized for web display.
Body image 1: White dunes in White Sands National Park. Photo: Larry Mills. Original photograph; CC BY 2.0. Resized for web display.
Body image 2: Dune landscape in White Sands National Park in September 2023. Photo: apasciuto. Original photograph; CC BY 2.0. Resized for web display.
