Travelers are voting South Fork Clackamas River, Balch Creek and Tualatin River as the best of 23 rivers in Multnomah County. There are 23 rivers near Lafayette a city just 31 km from Multnomah County and 22 rivers near Yamhill which is 31 km distant. The most popular of these are Gales Creek near Lafayette and Yamhill 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 Calapooia River and Mississippi River is the top pick in United States. Want more? Check out our map of rivers in Multnomah County.