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Carcross Desert, located outside Carcross, Yukon, Canada (60°11′14″N 134°41′41″W), is often considered the smallest desert in the world. The Carcross Desert measures approximately 1 square mile (2.6 km2), or 640 acres.
Carcross Desert Wikipedia
Carcross Desert is commonly referred to as a desert, but is actually a series of northern sand dunes. The area's climate is too humid to be considered a true desert. The sand was formed during the last glacial period, when large glacial lakes formed and deposited silt. When the lakes dried, the dunes were left behind. Today, sand comes mainly from nearby Bennett Lake, carried by wind. The dunes contain a wide variety of plants, including unusual varieties such as Baikal sedge and Yukon lupine, among others.
The Yukon Territorial government made efforts to protect Carcross Desert in 1992, but failed due to opposition from locals who use the dunes for recreational purposes.
Carcross Desert is significantly drier than the surrounding region, receiving less than 50 cm of rain per year. This is due mainly in part to a rain shadow effect caused by surrounding mountains. As a result, several rare species of plant life have taken hold in the comparatively arid conditions. Carex sabulosa, or Baikal sedge, is only known to exist in four other sites in North America, mainly existing in Asia. Yukon Lupine, also unusual for the surroundings, "grows like a weed." While the vegetation in the area currently locks much of the dune system in place, a large event such as a forest fire could easily clear out the vegetation and return the dunes to an active state.
The dunes are used by locals for sandboarding. Tourist groups also use the area for off-road scenic tours, which is allowed on the fine-grained dunes. Other summer activities include hiking, skydiving and all-terrain vehicles.
In the winter, the area is used mainly for cross-country skiing and snowboarding.
The nearby White Pass and Yukon Route is a popular tourist attraction, bringing many tourists each year to the Carcross area.