National Highway 505 (India)

National Highway 505, commonly called NH 505, is a national highway in India. It is a spur road of National Highway 5. NH 505 traverses the state of Himachal Pradesh in India. NH 505 is a high elevation road, covering the Kinnaur and Lahaul and Spiti districts of Himachal Pradesh, mainly running along the Spiti River in the Spiti Valley. The highway from Kaza to Gramphu remains closed for 6–9 months in a year due to heavy snowfall and the closure of Kunzum La pass at an elevation of 4,550 m (14,930 ft).