Ercina is a small lake located in the Picos de Europa National Park in northern Spain. It is situated at an altitude of approximately 1,100 meters and is known for its stunning natural beauty, surrounded by rugged mountains and lush greenery. The lake is a popular destination for hikers and nature enthusiasts, offering picturesque views and opportunities for wildlife observation. The area around Ercina is rich in biodiversity, featuring various plant and animal species native to the region. Visitors can enjoy activities such as hiking, photography, and birdwatching, making it a favored spot for outdoor recreation. The lake is also part of the Asturias region, which is known for its scenic landscapes and cultural heritage.