The Covadonga Sanctuary is a significant religious site located in the Picos de Europa mountains of northern Spain. It is known for its stunning natural beauty and historical importance, attracting many visitors and pilgrims each year. The sanctuary includes the Basilica of Santa María la Real de Covadonga and the Cueva de Covadonga, a cave that houses a statue of Our Lady of Covadonga, the patron saint of Asturias. The site is also famous for its role in the Reconquista, the period when Christian kingdoms sought to reclaim the Iberian Peninsula from Muslim rule. The sanctuary is surrounded by lush landscapes and offers various hiking trails, making it a popular destination for both religious pilgrims and nature enthusiasts.