Indonesia is home to numerous rivers that play a vital role in the country's ecosystem and economy. The longest river is the Kapuas River, which flows through West Kalimantan on the island of Borneo. Other significant rivers include the Mahakam River, also in Kalimantan, and the Citarum River in Java, known for its importance in agriculture and water supply. These rivers support diverse wildlife and provide essential resources for local communities. They are crucial for transportation, fishing, and irrigation. Additionally, many rivers are vital for the cultural practices of indigenous peoples, reflecting the deep connection between the land and its inhabitants.