Luckiamute River

{{Infobox river

| name = Luckiamute River

| name_native =

| name_native_lang =

| name_other =

| name_etymology = Native American but of unknown meaning{{cite book | last = McArthur | first = Lewis A. |author2=McArthur, Lewis L. | title = Oregon Geographic Names, 7th ed | publisher = Oregon Historical Society Press | year = 2003 |orig-year=1928| location = Portland, Oregon | pages =597–98 | isbn = 0-87595-277-1}}

| image = Luckiamute River at Helmick.JPG

| image_caption = Luckiamute River at Sarah Helmick State Recreation Site

| image_size = 300

| map =

| map_size = 300

| map_caption =

| pushpin_map = USA Oregon

| pushpin_map_size = 300

| pushpin_map_caption= Location of the mouth of the Luckiamute River in Oregon

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Oregon

| subdivision_type3 =

| subdivision_name3 =

| subdivision_type4 = County

| subdivision_name4 = Polk and Benton

| subdivision_type5 =

| subdivision_name5 =

| length = {{convert|61|mi|km|abbr=on}}{{cite book|last=Palmer|first=Tim|title=Field Guide to Oregon Rivers|publisher=Oregon State University Press|location=Corvallis|year=2014|pages=176–77|isbn=978-0-87071-627-0}}

| width_min =

| width_avg =

| width_max =

| depth_min =

| depth_avg =

| depth_max =

| discharge1_location= Helmick State Recreation Site, {{convert|13.5|mi|km}} from the mouth{{cite web|title=Water-Data Report 2010: 14190500 Luckiamute River near Suver, OR |url=http://wdr.water.usgs.gov/wy2010/pdfs/14190500.2010.pdf|publisher=United States Geological Survey|accessdate=October 24, 2011}}

| discharge1_min = {{convert|0.65|cuft/s|m3/s|abbr=on}}

| discharge1_avg = {{convert|872|cuft/s|m3/s|abbr=on}}{{cite web|title=Water-Data Report 2010: 14190500 Luckiamute River near Suver, OR |url=http://wdr.water.usgs.gov/wy2010/pdfs/14190500.2010.pdf|publisher=United States Geological Survey|accessdate=October 24, 2011}}

| discharge1_max = {{convert|32900|cuft/s|m3/s|abbr=on}}

| source1 = Central Oregon Coast Range

| source1_location = near Bald Mountain, Polk County

| source1_coordinates= {{coord|44|47|28|N|123|32|45|W|display=inline}}{{cite web | work = Geographic Names Information System (GNIS) | publisher = United States Geological Survey | date = November 28, 1980 | url ={{Gnis3|1163114}} | title = Luckiamute River | accessdate = September 2, 2010}}

| source1_elevation = {{convert|2684|ft|abbr=on}}Source elevation derived from Google Earth search using GNIS source coordinates.

| mouth = Willamette River

| mouth_location = near Buena Vista, Polk County

| mouth_coordinates = {{coord|44|45|15|N|123|08|54|W|display=inline,title}}

| mouth_elevation = {{convert|157|ft|abbr=on}}

| progression =

| river_system =

| basin_size = {{convert|315|sqmi|abbr=on}}{{cite web| title = Luckiamute Watershed| publisher = Luckiamute Watershed Council | url = http://www.luckiamutelwc.org/our-watershed.html|accessdate = October 4, 2015|archiveurl=https://web.archive.org/web/20150908090425/http://www.luckiamutelwc.org/our-watershed.html|archivedate=September 8, 2015|url-status=live}}

| tributaries_left =

| tributaries_right =

| custom_label =

| custom_data =

| extra =

}}

The Luckiamute River is a tributary of the Willamette River, about {{convert|61|mi|km}} long, in western Oregon in the United States. It drains an area of Central Oregon Coast Range and the western Willamette Valley northwest of Corvallis.{{cite book|title=Oregon Atlas & Gazetteer|publisher=DeLorme Mapping|location=Freeport, Maine|pages=52–53|year=1991|edition=1st|isbn=0-89933-235-8}}

It rises in the remote mountains of southwestern Polk County, about {{convert|10|mi|km}} west of Pedee. It flows southeast to Hoskins in Benton County, then northeast into Polk County, past Pedee, then east across southern Polk County. It is joined from the northwest by the Little Luckiamute River. It joins the Willamette from the west about {{convert|10|mi|km}} north of Albany. The mouth of the river is about {{convert|1/4|mi|m}} downstream from the mouth of the Santiam River, which enters the Willamette from the east {{convert|108|mi|km}} upstream of the Willamette's mouth on the Columbia River.

Named tributaries from source to mouth are Boulder, Beaver, Miller, Wolf, Rock Pit, Slick, Cougar, Slide, and Harris creeks. Further downstream are Hull, Foster, Jones, Bonner, Vincent, Plunkett, and Price creeks. Maxfield Creek is next followed by Bump, Ritner, Pedee, McTimmonds, Link, Dry, and Jont creeks followed by the Little Luckiamute River. Soap Creek enters the main stem along the Luckiamute's lower reaches.{{cite web|title=United States Topographic Map|publisher=United States Geological Survey|via=Acme Mapper|url=http://mapper.acme.com/?ll=44.754167,-123.148333&z=12&t=T&marker0=44.754167,-123.148333,Luckiamute%20River|accessdate=March 4, 2016}} The map includes mile markers along the Willamette and Luckiamute rivers.

The Luckiamute Watershed Council includes Ash Creek in its watershed study area, although it drains directly into the Willamette River.