Sylvan Creek starts north of US Route 26 and runs downhill west of Scholls Ferry Road to meet Fanno Creek after crossing Oregon Route 10.
Sylvan Creek 45.4864409, -122.7458026 meets fanno creek 45.5157213, -122.7361341 headwaters 45.5052576, -122.7432311 SW 64th Avenue at Raab 45.4887504, -122.7486290 Raleighwood Wetlands 45.5069580, -122.7452546 SW Raab Road Connector