The Siwalik Hills, also known as the Shivalik Hills, are a mountain range located in northern India and parts of Nepal and Pakistan. They form the southernmost foothills of the Himalayas and are characterized by their low elevation, typically ranging from 600 to 1,200 meters. The hills are known for their rich biodiversity and unique geological formations, which include sedimentary rocks and fossil deposits. The Siwalik Hills are significant for their ecological and cultural importance. They serve as a habitat for various wildlife species and are home to several national parks and wildlife sanctuaries. Additionally, the region is inhabited by diverse communities that rely on agriculture and forestry for their livelihoods, making it an area of both natural beauty and human activity.