The Gerês mountains, located in northern Portugal, are part of the Peneda-Gerês National Park, the country's only national park. This mountainous region is known for its stunning landscapes, including lush forests, deep valleys, and clear rivers. The area is rich in biodiversity, home to various plant and animal species, some of which are unique to the region. The Gerês mountains also feature numerous hiking trails, making it a popular destination for outdoor enthusiasts. Visitors can explore ancient villages, waterfalls, and natural hot springs, all while enjoying the breathtaking views. The park is a UNESCO Biosphere Reserve, highlighting its ecological significance.