WEBThe Reka (literally, 'river' in Slovene), also the Inner Carniola Reka (Slovene: Notranjska Reka), [2][3] is a river that starts as Big Creek (Croatian: Vela voda) in Croatia, on the southern side of Mount Snežnik, and flows through western Slovenia, where it is also initially known as Big Creek (Velika voda). [4]