evidence: Commewijne River: Flowing parallel to the Suriname River, the Commewijne River is another significant waterway in the country. It stretches about 80 km (50 mi) and runs through the districts of Commewijne and Paramaribo. The river is vital for transportation and is surrounded by rich agricultural lands. Marowijne River: Also known as the Maroni River, this river forms the eastern border between Suriname and French Guiana. It originates in the Tumuk Humak Mountains and flows for approximately 480 km (298 mi) before reaching the Atlantic Ocean. The river is essential for both countries, serving as a natural boundary and a significant transportation route. Corantijn River: Also known as the Courantyne River, this waterway forms the western border between Suriname and Guyana. It flows for about 724 km (450 mi) before emptying into the Atlantic Ocean. The river is historically significant, marking the former boundary between British Guiana (now Guyana) and Dutch Guiana (now Suriname).