The town's name "Ilog" means "river" in the Filipino language, and it is known for its long and wide river, the Ilog River. The Ilog River is one of the longest and most important rivers in Negros Occidental, as it provides water for irrigation, transportation, and other activities. Ilog is also known for its rich history and cultural heritage. It was once a part of the Negros Revolution against Spanish colonial rule and has several historical landmarks such as the Ilog Church and the Ilog Spani