The Ulhas River is a significant river located in the state of Maharashtra, India. It originates in the Western Ghats near the town of Matheran and flows through the districts of Raigad and Thane before merging into the Arabian Sea. The river plays a crucial role in the local ecosystem and supports various forms of wildlife. The Ulhas River is approximately 117 kilometers long and is an important water source for nearby communities. It also contributes to irrigation and supports agriculture in the region. The river's basin is home to several towns and villages, making it vital for the livelihoods of many residents.