Lake Baikal

Lake Baikal, located in Siberia, Russia, is the world's deepest and oldest freshwater lake, reaching depths of about 5,387 feet (1,642 meters) and estimated to be around 25 million years old. It holds approximately 20% of the world's unfrozen freshwater, making it an important ecological resource. The lake is renowned for its unique biodiversity, including the Baikal seal, and numerous endemic species of plants and animals. Surrounded by stunning landscapes, Lake Baikal is also a UNESCO World Heritage Site, attracting researchers and tourists alike, and plays a crucial role in local cultural and environmental sustainability.