Green and Colorado Rivers
The combined flow of the Green and Colorado Rivers spills down Cataract Canyon with remarkable power, creating a world-class stretch of whitewater.

Horseshoe Canyon
Horseshoe Canyon is a detached park unit whose intriguing rock art is considered by many to be the most significant in North America. Other sights include spring wildflowers, sheer sandstone walls, and cottonwood trees.

Sandstone Spires
The massive sandstone spires that give the Needles its name were created by erosion and fracturing, forming a crazy quilt pattern over the land.