Atal Tunnel, Rohtang (previously known as Rohtang Tunnel), named after former Indian Prime Minister Atal Bihari Vajpayee, is a highway tunnel built under the Rohtang Pass in the eastern Pir Panjal range of the Himalayas on the Leh-Manali Highway. At length, the tunnel will be one of the longest road tunnels in India and is expected to reduce the distance between Manali and Leh by . The tunnel is at an elevation of whereas the Rohtang Pass is at an elevation of .