The Derryveagh Mountains are a mountain range located in County Donegal, Ireland. They are known for their rugged terrain, scenic landscapes, and rich biodiversity. The highest peak in the range is Errigal, which stands at 751 meters and is a popular destination for hikers and outdoor enthusiasts. These mountains are characterized by their dramatic cliffs, glacial valleys, and numerous lakes. The area is also home to various wildlife species, making it an important ecological zone. The Derryveagh Mountains are part of the larger Bluestack Mountains and offer stunning views of the surrounding countryside.