Travelers are voting Los Angeles River, Arroyo Trabuco and San Luis Rey River as the best of 32 rivers in Orange County. There are 12 rivers near Rancho Cucamonga a city just 30 km from Orange County and 10 rivers near Rancho Palos Verdes which is 30 km distant. The most popular of these are City Creek near Rancho Cucamonga and Los Angeles River in Rancho Palos Verdes. You can find 222 rivers in California and 3914 rivers in the country of United States. Our members favorite in California is Los Angeles River and Mississippi River is the top pick in United States. Want more? Check out our map of rivers in Orange County.