Part of national Highway 3 runs through the upper reaches of Himachal Pradesh and Ladakh, crossing some high elevation mountain passes. First major pass comes after Manali, which is Rohtang pass at an elevation of 3,978 m. Rohtang pass provides connectivity between the Kullu valley and the Lahaul and Spiti valleys of Himachal Pradesh. Next major pass on NH3 is Baralacha La at an elevation of 4,890 m in Zanskar range. In Leh district, NH 3 crosses over Nakee La (4739 m, 15547 ft), Lachulung La (5064 m, 16616 ft) and Taglang La.