The Ripple River is a small river of north-central Minnesota. The stream headwaters are at the outlet of Bay Lake of eastern Crow Wing County and it flows east and north to its confluence with the Mississippi River on the north side of Aitkin in Aitkin County. The river follows a circuitous route, with a total stream length of 42.3 miles ; while the direct distance bet…The Ripple River is a small river of north-central Minnesota. The stream headwaters are at the outlet of Bay Lake of eastern Crow Wing County and it flows east and north to its confluence with the Mississippi River on the north side of Aitkin in Aitkin County. The river follows a circuitous route, with a total stream length of 42.3 miles ; while the direct distance between its source and mouth is approximately 10 miles.