Fadamar ruwan Ruacana ruwa ne wanda yake kusa da Ruacana akan Kogin Kunene a Arewacin Namibia. Fadamar ruwan yana da tsayi mita 120 (390 ft) mai tsayi kuma mita 700 (2,300 ft) mai fadi a cikakkiyar ambaliya. Tana daga cikin manyan rafukan ruwa a Afirka, duka girma da faɗi. Ruacana Falls WorldWaterFallDatabase.com