The Borasu Pass connects the Himalayan regions of Uttarakhand and Himachal Pradesh at a close proximity to the Indo-China border. It was once used as a trade route between the Doon Valley and the Kinnaur Valley at an elevation of 5450 metres.
7. Jelep La
The Jelep La, at an elevation of 4270 metres, connects Sikkim to the Tibetan Plateau and onwards to Lhasa. The drive is absolutely scenic with rhododendrons along the side of the highway into the Chumbi Valley across the Chinese border.
8. Chang La Pass
At an altitude of 5360 metres, the Chang La connects the Indus Valley to the Pangong Lake region of Ladakh. It is the third highest motorable road in the world.
9. Nathu La Pass
The Nathu La Pass connects Sikkim to Tibet, and is one of the three major open borders between India and China, the other two being Shipkila in Himachal Pradesh and Lipulekh in Uttarakhand. On the Indian side, the pass is 54 km east of Gangtok.
10. Debsa Pass
The Debsa Pass connects the Kullu Valley to the Spiti Valley of Himachal Pradesh.