Koyna Lake is an artificial reservoir located in the Koynanagar region of Maharashtra, India. It was created by the construction of the Koyna Dam on the Koyna River in the 1960s. The lake covers an area of approximately 50 square kilometers and plays a crucial role in hydroelectric power generation. Surrounded by the lush greenery of the Western Ghats, Koyna Lake is a popular destination for nature lovers and adventure enthusiasts. The area is rich in biodiversity and offers opportunities for activities like boating and trekking. It is also recognized as a UNESCO World Heritage Site due to its ecological significance.