The River Isla is a river located in Scotland, flowing through the Perth and Kinross region. It is a tributary of the River Tay, which is one of the longest rivers in the country. The River Isla is known for its scenic beauty, with lush landscapes and diverse wildlife along its banks. The river stretches approximately 30 kilometers and is popular for various outdoor activities, including fishing and walking. Its clear waters support a range of aquatic life, making it an important habitat for local ecosystems. The River Isla contributes to the natural charm of the surrounding area, attracting visitors and nature enthusiasts.