own as Sandynalla reservoir) is located 10 km from the Ooty bus stand. It is a picnic spot and a film shoot location on the slopes of the Wenlock Downs. The various tourist activities at the dam include fishing and studying nature and the environment. Parsons Valley Reservoir is the primary water source for the town and is mainly in a reserved forest and thus largely off-limits to visitors. Emerald Lake, Avalanche Lake and Porthimund Lake are other lakes in the region. Tribal huts and museum Toda Hut There are a few Toda huts on the hills above the Botanical Garden, where Todas still dwell. There are other Toda settlements in the area, notably Kandal Mund near Old Ooty. Although many Toda have abandoned their traditional distinctive huts for concrete houses, a movement is now afoot to build tradition barrel-vaulted huts, and during the last decade forty new huts have been built and many Toda sacred dairies renovated. The Tribal Museum is part o f the campus of Tribal Research Centre which is in Muthorai Palada (10 km from Ooty town). It is home to rare artifacts and photographs of tribal groups of Tamil Nadu as well as the Andaman and Nicobar Islands, and anthropological and archaeological primitive human culture and heritage. The Tribal Museum also displays houses belonging to Toda, Kota, Paniya, Kurumba, and Kanikarans. Nilgiri Mountain Railway Nilgiri Mountain Railway Nilgiri Mountain Railway The Nilgiri Mountain Railway was built by the British in 1908, and was initially operated by the Madras Railway Company. The railway still relies on its fleet of steam locomotives. NMR comes under the jurisdiction of the newly formed Salem Division. In July 2005, UNESCO added the Nilgiri Mountain Railway as an extension to the World Heritage Site of Darjeeling Himalayan Railway, the site then became known as "Mountain Railways of India." after it satisfied the necessary criteria, thus forcing abandonment of the modernisat ion plans. For the past several years diesel locomotives have taken over from steam on the section between Coonoor and Udhagamandalam. Local people and tourists have led a demand for steam locos to once again haul this sec