Kallang Basin is a large body of water located in Singapore. It is part of the Kallang River and serves as an important recreational area for both locals and tourists. The basin is surrounded by various facilities, including parks, sports complexes, and residential areas, making it a popular spot for outdoor activities. The area is also known for its historical significance, as it was once a thriving port. Today, Kallang Basin is home to the Singapore Sports Hub, which includes the National Stadium and other sports venues, promoting a vibrant community focused on health and fitness.