Travelers are voting South Fork Clackamas River, Balch Creek and Tualatin River as the best of 21 rivers in Multnomah County. There are 22 rivers near Lafayette a city just 31 km from Multnomah County and 21 rivers near Yamhill which is 31 km distant. The most popular of these are Gales Creek near Lafayette and Tualatin River in Yamhill. You can find 154 rivers in Oregon and 3913 rivers in the country of United States. Our members favorite in Oregon is Gales Creek and Mississippi River is the top pick in United States. Want more? Check out our map of rivers in Multnomah County.