River Monarch is a thoroughbred horse born in Australia in 2006. Race horse River Monarch is by King Of Prussia (AUS) out of Rafting (AUS) , trained by Steve Cunningham. River Monarch form is available here. Owned by A H PRICE, A B CROUGHAN, J WILLIAMSON, E L TREHARNE, S S CUNNINGHAM, P DAENELL, P HOSFORD, MS C DAYE, MS L DWYER & MRS G DWYER..