Sunder Nagar lake is in Main Sunder nagar region which is a place in Mandi City and a municipal council in Mandi district in the Indian state of Himachal. Sunder Nagar was formerly a Princely state known as Suket. The town is famous for the man-made lake which was formed due to the water of the Beas River being diverted from Pandoh.
The town is famous for its temples with the Mahamaya Temple being the prominent among them. Perched at an altitude of 1,174 meters, Sundernagar is noted for its shady walks amid towering trees. Sukhdev Vatika is a beautiful garden here. It is also home to Asia’s biggest Hydel Project – the Beas-Stulej hydro-electric project, irrigating nearly one-fourth of the northern plains of India,has brought unprecedented prosperity to Sudernagar. The Beas-Sutlej link colony is the biggest colony in Himachal Pradesh.
As per legend, the state was founded in 765 by Bira Sen, who was from the Sena dynasty of Bengal. The early years of the newly formed state were filled with constant warfare, especially with the kingdom of Kullu. However, the Raja of Suket, Raja Bikram Sen managed to subdue Kullu and would extract a regular tribute from Kullu. Due to the Raja’s diplomatic skills, the state of Suket successfully managed to ally with the British, and upon independence, it joined the Union of India on April 15, 1948.