Which high mountain pass connects the Lahaul and Spiti valleys in Himachal Pradesh?

Rohtang Pass
Baralacha La
Kunzum Pass
Sach Pass

The correct answer is Kunzum Pass.

Kunzum Pass is a high mountain pass in the Himalayas that connects the Lahaul and Spiti valleys in Himachal Pradesh, India. It is located at an elevation of 4,551 meters (14,930 feet) and is one of the highest motorable passes in the world. The pass is open from June to October and is a popular tourist destination.

Rohtang Pass is another high mountain pass in the Himalayas that connects the Kullu and Lahaul valleys in Himachal Pradesh. It is located at an elevation of 3,978 meters (13,093 feet) and is one of the most popular tourist destinations in Himachal Pradesh. The pass is open from April to November.

Baralacha La is a high mountain pass in the Himalayas that connects the Lahaul and Zanskar valleys in Himachal Pradesh. It is located at an elevation of 4,892 meters (16,040 feet) and is one of the highest motorable passes in the world. The pass is open from June to October.

Sach Pass is a high mountain pass in the Himalayas that connects the Kinnaur and Spiti valleys in Himachal Pradesh. It is located at an elevation of 4,420 meters (14,500 feet) and is one of the highest motorable passes in the world. The pass is open from June to September.