Pithoragarh, at 1815 m, is a picturesque valley bordering Tibet and nepal. There are ruins of old palaces and forts and the route to Kailash Manasarovar passes through this district. The cave city of Patal Bhuwaneshwar, Ulka Devi Temple, Rai Gufa caves, and Chandak are places of interest. Airport: Pantnagar. Railhead: Tanakpur (151 km).