The Sierra de O Courel is a mountain range located in the province of Lugo, in the autonomous community of Galicia, Spain. It is known for its stunning landscapes, rich biodiversity, and unique geological formations. The area is characterized by deep valleys, steep slopes, and lush forests, making it a popular destination for hikers and nature enthusiasts. This mountain range is also home to various species of flora and fauna, some of which are endemic to the region. The Sierra de O Courel is part of the Natural Park of the Sierra de O Courel, which aims to protect its natural heritage and promote sustainable tourism.