Yarrawonga Weir is a significant structure located on the Murray River in Victoria, Australia. It was constructed to regulate water flow and support irrigation in the surrounding agricultural areas. The weir plays a crucial role in managing water levels, ensuring a reliable supply for farming and recreational activities. The weir also creates a large lake known as Lake Mulwala, which is popular for fishing, boating, and other water sports. This artificial lake enhances the local ecosystem and provides a habitat for various wildlife species, contributing to the area's natural beauty and recreational opportunities.