Lop Nor is China’s only nuclear weapons test site, conducts nuclear weapons training and may be a major nuclear weapons stockpile location. The Lop Nor test site covers 100,000 square kilometers, making it the largest in the world by a factor of almost twenty. Approximately 20,000 square kilometers have been used for nuclear testing purposes, with such a large size attributed to the full spectrum of nuclear tests conducted at this single location.
Military - Weapon Depots, Military - R&D
Links: fas.org, www.nti.org