Tehri Lake is an artificial reservoir located in the Tehri Garhwal district of Uttarakhand, India. It was created by the construction of the Tehri Dam on the Bhagirathi River, primarily for hydroelectric power generation, irrigation, and flood control. The lake covers an area of approximately 42 square kilometers and is surrounded by picturesque hills and valleys. The lake is a popular destination for adventure activities such as boating, kayaking, and fishing. Its scenic beauty attracts tourists and nature enthusiasts, making it a significant spot for eco-tourism in the region. The surrounding area also offers opportunities for trekking and exploring local culture.