Multiple choice What is the smallest desert in the world? Sahara Desert Carcross Desert Mojave Desert Chihuahuan Desert Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Carcross Desert, located in Yukon, Canada, is often considered the smallest desert in the world, measuring only about 2.6 square kilometers (1 square mile). It is actually a series of northern sand dunes rather than a true arid desert.