The Welsh hills are a prominent feature of the landscape in Wales, known for their stunning natural beauty and diverse ecosystems. These hills are part of the Brecon Beacons and Snowdonia National Parks, offering a range of outdoor activities such as hiking, climbing, and wildlife watching. The hills are characterized by their rugged terrain, rolling slopes, and often dramatic weather conditions. Many of the Welsh hills are composed of granite and slate, which contribute to their unique geological formations. The area is also rich in cultural history, with ancient sites and castles dotting the landscape. The hills provide a habitat for various species, making them an important area for conservation efforts.