Orange River
- the longest river in South Africa, which rises in the Drakensberg Mountains in NE Lesotho and flows generally westward for 1,859 km (1,155 miles) to the Atlantic, forming the border between Namibia and South Africa in its lower course.奥兰治河（南非最长的河流, 源出莱索托东北的德拉肯斯山脉, 大体向西流入大西洋, 全长1,859公里, 即1,155英里, 下游成为纳米比亚和南非之间的边界）。