Fanno Creek is a 15-mile tributary of the Tualatin River in the U.S. state of Oregon. Augustus Fanno, for whom the creek is named, established an onion farm in what became Beaverton in 1847. Although heavily polluted, the creek supports aquatic life, including coastal cutthroat trout in its upper reaches.
About Fanno Creek in brief
Fanno Creek is a 15-mile tributary of the Tualatin River in the U.S. state of Oregon. Its watershed covers about 32 square miles in Multnomah, Washington, and Clackamas counties. The Kalapuya displaced the Multnomahs in pre-contact times. Augustus Fanno, for whom the creek is named, established an onion farm in what became Beaverton in 1847. Although heavily polluted, the creek supports aquatic life, including coastal cutthroat trout in its upper reaches. The creek is part of the drainage basin of the Columbia River, which flows into the Willamette River at West Linn, Oregon. The average flow of the creek at the Durham station is 43. 9 cubic feet per second. This is from a drainage area of 31. 5 square miles, more than 99 percent of the total Fanni Creek watershed. The maximum flow recorded there was 1 cubic foot per second on September 13, 2007. At the Portland station, the average flow is 3. 15 cubic feet per second and the minimum flow is 1 cubic feet. per second. It receives water from Portland’s Bull Mountain, Beaverton’s West Mountain, Sexton and Bull Mountain in Beaverton, and unincorporated areas of Washington County. It is one of 16 urban parks in a narrow corridor along the creek. The restored family home, is a Century Farm on the National Register of Historic Places and is one of 16 parks in a narrow corridors along the creek, including Woodard Park, Bonita Park, and Bauman Park.
The main stem begins at about river mile 15 or river kilometer 24 in the Hillsdale neighborhood of southwest Portland. It flows west along the north side of Oregon Route 10, passing Albert Kelly Park and receiving Ivey Creek and Bridlemile Creek on the right before reaching the United States Geological Survey stream gauge at Southwest 56th Avenue 11. 9 miles from the mouth. It then enters Durham, passes a USGS gauging station 1. 13 miles from the mouth, flows through Durham City Park and empties into the TUALATIN River 9. 3 miles from its confluence with the WillAMETTE River. It passes under Oregon Route 210, and enters Tigard about 5 miles of the mouth before turning sharply south and flowing underOregon Route 217. It turns south, passing through Bauman park, where Vermont Creek enters on the left about 10 miles and then southwest to flow through the Portland Golf Club and Vista Brook Park. It enters Washington County and the unincorporated community of Raleigh Hills, crosses under Route 10, and receives Sylvan Creek on the right. From here it flows west again for about 1 mile, passing through Fanna Creek Trail Park and entering Beaverton about 8 miles before entering Durham. In quick succession, Hiteon Creek, Ash Creek, Summer Creek, and Red Rock Creek enter on theRight before the creek reaches Woodard.