1.Poo–Khab–Sumdho–Dhankar–Tabo Gompa–Kaza circuit
The District Magistrate and Director General of Police of the state are entitled to grant these permits, apart from the regular channels listed above. Special Commissioner (Tourism) and Resident Commissioner, Government of Himachal Pradesh, Himachal Bhawan, New Delhi also grants these permits. Interline permits for the districts of Lahaul and Spiti can be taken from the Indo-Tibetan Border Police, Block No. II, CGO Complex, Lodhi Road, New Delhi 110 003.
Special permits are required for trekking only. Individual tourists are not permitted to visit these areas.