The Warragamba River is a significant waterway located in New South Wales, Australia. It flows approximately 145 kilometers and is a major tributary of the Nepean River. The river is known for its scenic beauty and is surrounded by lush landscapes, making it a popular spot for outdoor activities such as fishing and hiking. The river is also crucial for water supply, as it feeds the Warragamba Dam, which is the primary source of drinking water for Sydney. The dam plays a vital role in flood mitigation and water management in the region, ensuring a stable water supply for the growing population.