The Restricted Area Trekking route is most popular as Upper Mustang Trek, Manaslu Circuit Larke La Pass, Tsum Valley Trek, Rupina La Pass Trek, Nar Phu Valley Trek, and Kanchenjunga Base Camp Trek is a Special Trekking path of Nepal. The Restricted Rea of Trekking without not able to Entry and not allowed Solo Trekkers. Should need a Minimum of 2 Pax.