This hill station is a gateway to the ancient Chamba Hill State, now Chamba District of the state of Himachal Pradesh of India. It is built on and around five hills. Located on the western edge of the Dhauladhar mountain range of the Himalayas, it is surrounded by the beautiful scenery of snow-capped peaks. Identify this hill station.

Dalhousie is the correct answer. It is the gateway to the ancient Chamba Hill State and is built on five hills (Kathlog, Bakrota, Tehra, Potreyn, and Balun). Located on the western edge of the Dhauladhar range in Himachal Pradesh, it offers stunning views of snow-capped peaks. Mussoorie, Nainital, and Dehradun are all in Uttarakhand, not Himachal Pradesh.