The Barito River is one of the longest rivers in Indonesia, flowing through the province of South Kalimantan. It stretches approximately 320 kilometers and serves as a vital waterway for transportation and trade in the region. The river originates from the Meratus Mountains and eventually empties into the Java Sea. The Barito River is surrounded by lush rainforests and diverse wildlife, making it an important ecological area. It supports local communities that rely on fishing and agriculture for their livelihoods. Additionally, the river plays a significant role in the cultural heritage of the indigenous peoples living along its banks.