The Gangotri Glacier is one of the largest glaciers in the Himalayas, located in the Uttarkashi district of Uttarakhand, India. It is the source of the Bhagirathi River, which is considered the origin of the sacred Ganges River. The glacier is approximately 30 kilometers long and is situated at an altitude of about 3,892 meters. This glacier is a popular trekking destination, attracting many adventurers and pilgrims each year. The surrounding area is part of the Gangotri National Park, which is home to diverse flora and fauna, including the endangered snow leopard. The glacier plays a crucial role in the region's ecology and water supply.