Where are the kobuk sand dunes located?

The Kobuk Sand Dunes are located in northwestern Alaska, within the Kobuk Valley National Park. These unique dunes are situated near the Kobuk River and cover an area of approximately 25 square miles. The dunes are formed by winds that blow sand from the riverbanks and are a significant geological feature in the region. They are also home to a variety of plant and animal life adapted to the harsh Arctic environment.