The Biligiriranga Hills, often referred to as B.R. Hills, are a mountain range located in the southern part of India, primarily in the state of Karnataka. This region is known for its rich biodiversity and is part of the Biligiriranga Swamy Temple Wildlife Sanctuary, which is home to various species of flora and fauna, including elephants and tigers. The hills are situated at an elevation of about 5,091 feet and are characterized by lush forests and scenic landscapes. They serve as a crucial watershed for several rivers, contributing to the ecological balance in the area. The region is also a popular destination for trekking and nature enthusiasts.