Tai Tam Upper Reservoir is a scenic water reservoir located in the eastern part of Hong Kong. Constructed in the late 19th century, it was designed to supply fresh water to the growing population of the region. The reservoir is surrounded by lush greenery and offers a peaceful environment for visitors. The reservoir is part of the Tai Tam waterworks system, which includes several other reservoirs and dams. It is a popular spot for hiking and nature walks, with trails that provide stunning views of the water and surrounding hills. The area is also home to diverse wildlife, making it a great destination for nature enthusiasts.