Joysagar Tank, located in Sivasagar, Assam, is one of the largest man-made tanks in India, built in 1697 by Ahom Queen Joymoti in memory of her husband, King Rudra Singha. Spanning an impressive area of 318 acres, this historic waterbody lies just 3 km from Sivasagar town and is surrounded by serene landscapes, ancient temples, and lush greenery. A popular spot for both history enthusiasts and nature lovers, Joysagar Tank offers a tranquil environment perfect for leisurely walks, photography, and cultural exploration. Visitors can also explore nearby attractions such as Rang Ghar, Talatal Ghar, and Sivasagar Sivadol, making it a must-visit destination when traveling to Upper Assam.