River Aff is a river located in the United Kingdom, primarily flowing through the Scottish Highlands. It is known for its scenic beauty and is a popular destination for outdoor activities such as fishing, hiking, and kayaking. The river is part of the larger Aff Valley, which features diverse wildlife and lush landscapes. The river plays a significant role in the local ecosystem, providing habitat for various species of fish and birds. Additionally, River Aff contributes to the region's economy through tourism and recreational activities, attracting visitors who appreciate its natural charm and tranquility.