Rivington Upper Reservoir is a large water reservoir located in the Rivington area of Lancashire, England. It was constructed in the early 20th century to supply drinking water to the surrounding regions. The reservoir is part of a series of water bodies in the area, including the nearby Rivington Lower Reservoir and Rivington Pike. The reservoir is surrounded by scenic landscapes, making it a popular spot for outdoor activities such as hiking and birdwatching. It is also part of the Rivington Terraced Gardens, which feature historical structures and beautiful gardens, attracting visitors year-round.