Khewra salt mine is located in khewra an administrative division of district Jhelum. This mine is located in the salt range of Himalaya Mountains. It is Pakistan’s largest and world second largest salt mine.
It is famous for its production of pink salt, and is a major tourist attraction, drawing up to 250,000 visitors a year from all over the world. Its history dates back to its discovery by Alexander's troops in 320 BC, but it started trading in the Mughal era. The main tunnel at ground level was developed by Dr. H. Warth, a mining engineer, in 1872 during British rule.

After independence Pakistan Mineral Development Corporation took over the charge of mine, which still remains the largest source of salt in the country, producing more than 350,000 tons per annum of which about 99% pure halite. Estimates of the reserves of salt in the mine vary from 82 million tons to 600 million tons.
Khewra Salt Mine is a major tourist attraction, with around 250,000 visitors a year, earning considerable revenue. Visitors are taken into the mine on the Khewra Salt Mines Railway. There are numerous pools of salty water inside. The Badshahi Masjid was built in the mining tunnels with multi-colored salt bricks about fifty years ago. Other artistic carvings in the mine include a replica of Minar-e-Pakistan, a statue of Allama Iqbal, an accumulation of crystals that form the name of Muhammad in Urdu script, a model of the Great Wall of China and another of the Mall Road of Murree.
Other visitor attractions in the mine include the 75-meter-high (245 feet) Assembly Hall; Pul-Saraat, a salt bridge with no pillars over a 25-meters-deep (80-foot-deep) brine pond; Sheesh Mahal (Palace of Mirrors), where salt crystals are light pink; and a café.