The official definition of trekking in Pakistan is walking below 6500 meters. Trekking areas are divided into three zones; open, restrictedand closed. There is no permit requirement for the open zone which covers most of Pakistan. The restricted zone is comprised on the border areas with India, Afghanistan, Iran and China and it also covers some of popular treks in Baltistan. Border areas are generally defined as being within 48 kilometers of the frontier, with some exceptions in Azad Kashmir, for example the restricted zone is 16 km of the border. Due to territorial dispute with India, Siachen Glacier area is now closed zone.
Permits are required for restricted zone and fee is levied .foreigners must pay a fee of US$ 50 per person per trek to obtain a trekking permit from the Gilgit Baltistan Council Government of Pakistan Islamabad. Most of the restricted treks are around the area of Baltoro Glacier, including the Vigne, Gondogoro and Masherbrum pass (all of which lead onto Baltoro Glacier from the south) and the Panmah Glacier and Sim Pass (north of the Baltoro Glacier towards the Chinese border). Other restricted treks are in northern Chitralalong the Turikho and upper Yarkhun valleys and in upper Hunza close to Chinese border in Shimshal valley.
Permits may be obtained from the Pakistan Gilgit Baltistan Council Government of Pakistan Islamabad, within 24 hours of application which must be submitted through licensed tour operator, accompanied by two passport size photos and passport details of all participants. All porters and guide must be insured for the sum specified by the government. All restricted zone trekkers must be briefed on arrival and debriefed at the end of the trek.