evidence: The Maroni (French: [maʁɔni]) or Marowijne (Dutch: [maːroːˈʋɛinə]; Sranan Tongo: Marwina-Liba) is a river in South America that forms the border between French Guiana and Suriname. Course [edit]The Maroni runs through the Guianan moist forests ecoregion.[1] It originates in the Tumuk Humak Mountains and forms the (disputed) border between France (region of French Guiana) and Suriname. In its upper reaches, it is also known as the Lawa, and close to its source it is known as the Litani. The total length of Litani, Lawa and Maroni is 612 km (380 mi).[2] [...] Territorial dispute [edit]In 1860, the question was posed from the French side, which of the two tributary rivers was the headwater, and thus the border. A joint French-Dutch commission was appointed to review the issue. The Dutch side of the commission consisted of J.H. Baron van Heerdt tot Eversberg, J.F.A. Cateau van Rosevelt and August Kappler. Luits Vidal, Ronmy, Boudet and Dr. Rech composed the French side. In 1861 measurements were taken, which produced the following result: the Lawa had a discharge of 35,960 m3/minute at a width of 436 m; the Tapanahony had a discharge of 20,291 m3/minute at a width of 285 m. Thus, the Lawa River was the headwater of the Maroni River.