Kunzum Pass provides chief access to Lahaul Valley by the great Kunzum range. This pass is safer and ascending and descending from here is quite easy. The Baralacha Pass is an 8-km long unique pass situated at a spectacular 16,400 ft above sea level. Here, routes from Zanskar, Ladakh and Lahaul meet. Rohtang Pass is the highest point, 4,112m, on the Manali -Keylong road, 51-km from Manali town, providing limited skiing but numerous trekking challenges. The other two passes Pin-Parbati Pass and Shangla Pass also provide tremendous oppurtunities for trekkers.