At the northern end of the Chihuahuan Desert lies a mountain ringed valley, the Tularosa Basin. Rising from the heart of this basin is one of the world's great natural wonders-the glistening white sands of New Mexico.
Here, great wave-like dunes of gypsum sand have engulfed 275 square
miles of desert and have created the world's largest gypsum dune field.
The brilliant white dunes are ever changing: growing, cresting, then slumping,
but always advancing. Slowly but relentlessly the sand, driven by strong
southwest winds, covers everything in its path. Within the extremely harsh
environment of the dune field, even plants and animals adapted to desert
conditions struggle to survive. Only a few species of plants grow rapidly
enough to survive burial by moving dunes, but several types of small animals
have evolved a white coloration that camouflages them in the gypsum sand.
White Sands National Monument preserves a major portion of this gypsum dune field, along with the plants and animals that have successfully adapted to this constantly changing environment.