ABOUT ROHTANG PASS:-
- It is present on the Pir Panjal Range of Himalayas.
- It is located in the state of Himachal Pradesh.
- It connects the Kullu Valley with Lahaul and Spiti Valleys of Himachal Pradesh.
- The Ravi river rises west of the Rohtang pass in the Kullu hills of Himachal Pradesh.
- The world’s longest tunnel (8.8km) above 10,000 feet -Rohtang Tunnel (Atal Tunnel) is under construction to connect villages in Lahaul-Spiti (Himachal Pradesh) to the rest of the country even during winters.
- The operation to clear snow is carried out every year as the pass remains snow-bound for almost six months, from mid-November to mid-May, isolating Lahaul and Spiti districts from the rest of the country.
 opened the Rohtang Pass, three weeks in advance){kind=link}