The Gibson Desert is a large, empty desert region in Western Australia, covering about 155,000 square kilometers. It is located between the Great Sandy Desert and the Great Victoria Desert. The desert is characterized by undulating red sand plains, dunefields, and stony 'gibber' plains. It was named after Alfred Gibson, an explorer who went missing in the region during an expedition in 1874. The area is largely uninhabited by Europeans, but it remains a significant area for Indigenous Australians, particularly the Pintupi people, who were among the last to maintain a traditional nomadic lifestyle in the region. The climate is hot and arid, and the vegetation consists mainly of drought-resistant spinifex grass and desert oaks. It is home to many unique Australian reptiles and the red kangaroo.