Rohtang pass (3979 m) is 51kms. from Manali on highway to Keylong/Leh. It offers a panorama and spectacular mountain view. The pass is open from June to October each year although trekkers can cross it earlier. It is a gateway to Lahaul Spiti, Pangi and Leh valley just as Zojila pass is a gatway to Ladakh. There are a beautiful sight of glaciers, peaks and Chandra river flows down in the Lahaul valley. Slightly to the left are the twin peaks of the Geypan. During summer(mid June to October) regular buses ply between Manali-Keylong/Darcha, Udaipur, Spiti and Leh.