The Finlay River is a significant waterway located in northeastern British Columbia, Canada. It flows for approximately 200 kilometers and is a tributary of the Peace River. The river is known for its scenic beauty and is surrounded by diverse ecosystems, making it an important habitat for various wildlife species. The Finlay River is also notable for its role in hydroelectric power generation. The river's flow is harnessed by the W.A.C. Bennett Dam, which creates the Williston Lake reservoir. This dam is a key component of the region's energy infrastructure, providing electricity to many communities in British Columbia.