The Macintyre River is a significant waterway located in the northeastern region of New South Wales, Australia. It flows for approximately 200 kilometers, eventually joining the Dumaresq River. The river serves as a natural border between New South Wales and Queensland, playing an important role in the local ecosystem and agriculture. The river is known for its scenic landscapes and recreational opportunities, including fishing and boating. It supports various wildlife and plant species, contributing to the biodiversity of the area. The Macintyre River is also vital for irrigation, helping to sustain the agricultural activities in the surrounding regions.