The Great Basin is primarily characterized by high elevation deserts, defined by its unique topography and arid climate.

The Great Basin is an arid region spanning much of Nevada and parts of surrounding states. It features a series of north-south mountain ranges separated by wide, flat valleys, making it a high elevation desert. Its climate is dry and semi-arid, with sparse vegetation such as sagebrush. Unlike coastal plains or rainforests, it lacks significant water sources and experiences minimal rainfall. While thunderstorms do occur occasionally, they are not frequent enough to define the region's climate.