The southernmost Himalayas are known as

The southernmost part of the Himalayan mountain range is known as the Lesser Himalayas or the Outer Himalayas. This region is also referred to as the Shivalik Hills. The Shivalik Hills are a series of foothills that run parallel to the main Himalayan range and extend from the Indus River in the west to the Brahmaputra River in the east. The altitude of the Shivalik Hills is lower compared to the higher peaks of the Himalayas, and they serve as a transition zone between the plains and the mountains.