The Aletsch Glacier is the largest glacier in the Alps, located in Switzerland. It stretches over 23 kilometers and is part of the Aletsch Arena, a stunning region known for its breathtaking landscapes. The glacier is a vital indicator of climate change, as it has been retreating significantly over the years. In 2001, the Aletsch Glacier was designated a UNESCO World Heritage Site due to its natural beauty and ecological importance. The site is home to diverse flora and fauna, including rare species that thrive in the unique alpine environment. Visitors can explore the area through various hiking trails and enjoy panoramic views of the glacier and surrounding mountains.