China’s geography is a study in extreme contrasts, from tropical monsoons to arid deserts.

Nature · Published 30 September 2026 Swipe more like this →

In short: Occupying nearly the entire East Asian landmass, China is a country of staggering physical diversity. Its landscape spans the highest points on Earth and vast coastal lowlands, creating a range of ecological niches that support an immense variety of plant and animal life across its northern and southern borders.

China’s topography is defined by a dramatic descent from the high west to the eastern coast. Approximately 70 percent of the country’s land surface is comprised of mountains, plateaus, and hills. The western and northern regions are dominated by towering massifs, rolling plateaus, and sunken basins like the Gobi and Taklamakan. In contrast, the eastern plains and southern coasts feature fertile lowlands that have historically supported the majority of China’s agricultural output and human population.

The climate is equally varied, exhibiting the greatest temperature contrast between northern and southern borders of any nation globally. Conditions range from the extremely dry, desert-like environments of the northwest to the tropical monsoon climate of the southeast. This environmental complexity has fostered a wide array of ecological niches, allowing for the presence of nearly all Northern Hemisphere plant species, excluding those of the polar tundra, alongside exotic animal populations.

While the country is often perceived as uniformly dense, the reality is that vast areas remain sparsely populated or entirely uninhabited. The population is heavily concentrated in lowland plains and basins, such as the North China Plain and the Sichuan Basin. These regions, fed by major river systems like the Yellow and Yangtze, have served as the country’s cultural and economic heart for millennia. Despite the challenges posed by rugged terrain for infrastructure, these diverse landscapes have been central to China’s long-enduring identity as a unitary state.

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