The Tryweryn Valley is located in Gwynedd, Wales, and is known for its scenic beauty and rich history. The valley is home to the River Tryweryn, which flows through the area, providing a habitat for various wildlife species. The landscape features rolling hills, lush greenery, and picturesque views, making it a popular destination for outdoor activities like hiking and birdwatching. In the 1960s, the valley became a controversial site due to the construction of the Tryweryn Reservoir, which flooded several villages, including Capel Celyn. This event sparked significant debate over water rights and environmental concerns, highlighting the impact of infrastructure projects on local communities.