Selway River

{{Infobox river

| name = Selway River

| name_native =

| name_native_lang =

| name_other =

| name_etymology =

| image = Selway River rapid.jpg

| image_caption = Selway River at the Goat Creek rapid

| image_size = 300

| map = Selway-river-id.png

| map_size = 300

| map_caption = Course of the river

| pushpin_map = USA Idaho#USA

| pushpin_map_size = 300

| pushpin_map_caption= Location of the mouth of the Selway River in Idaho

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Idaho

| subdivision_type3 =

| subdivision_name3 =

| subdivision_type4 = County

| subdivision_name4 = Idaho

| subdivision_type5 =

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| length = {{convert|100|mi|km|abbr=on}}

| width_min =

| width_avg =

| width_max =

| depth_min =

| depth_avg =

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| discharge1_location= Lowell, Idaho

| discharge1_min = 580 cuft/s

| discharge1_avg = 3,773 cuft/s

| discharge1_max = 29 573 cuft/s

| source1 = Southeast of Stripe Mountain

| source1_location = Bitterroot National Forest, Selway-Bitterroot Wilderness, Bitterroot Mountains

| source1_coordinates= {{coord|45|29|49|N|114|44|37|W|display=inline}}

| source1_elevation = {{convert|6857|ft|abbr=on}}Source elevation derived from Google Earth search using GNIS source coordinates.

| mouth = Meets Lochsa River to form Middle Fork Clearwater River

| mouth_location = Lowell, Nez Perce National Forest

| mouth_coordinates = {{coord|46|08|25|N|115|35|58|W|display=inline,title}}{{cite web | work = Geographic Names Information System| publisher = United States Geological Survey | date = June 21, 1979 | url ={{Gnis3|390102}}| title = Selway River | accessdate =January 25, 2013}}

| mouth_elevation = {{convert|1453|ft|abbr=on}}

| progression =

| river_system =

| basin_size = {{convert|2013|sqmi|abbr=on}}{{cite web|last=Bugosh|first=Nicholas|title=Lower Selway River Subbasin Assessment|year=2000|url=http://www.deq.idaho.gov/media/454745-selway_river_lower_entire.pdf|format=PDF|location=Lewiston, Idaho|publisher=Lewiston Regional Office, Idaho Division of Environmental Quality|accessdate=January 26, 2013|archive-date=September 18, 2015|archive-url=https://web.archive.org/web/20150918231845/http://www.deq.idaho.gov/media/454745-selway_river_lower_entire.pdf|url-status=dead}}

| tributaries_left =

| tributaries_right =

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| extra = {{Designation list

| embed = yes

| designation1 = nwsr

| designation1_type = Wild, Recreational

| designation1_date = October 2, 1968

| designation1_number = P.L. 90-542

}}

}}

The Selway River is a large tributary of the Middle Fork of the Clearwater River in the U.S. state of Idaho. It flows within the Selway-Bitterroot Wilderness, the Bitterroot National Forest, and the Nez Perce National Forest of North Central Idaho.{{cite book|title=Idaho Atlas & Gazetteer|publisher=DeLorme|location=Yarmouth, Maine|year=2007|edition=6th|pages=52–53, 55–56|isbn=978-0-89933-284-0}} The entire length of the Selway was included by the United States Congress in 1968 as part of the National Wild and Scenic Rivers Act.{{cite web|title=Clearwater River (Middle Fork), Idaho|url=http://www.rivers.gov/rivers/rivers/clearwater-mf.php|publisher=National Wild and Scenic Rivers System|accessdate=January 26, 2013}}

The main stem of the Selway is {{convert|100|mi}} in length{{cite web|author=U.S. Geological Survey|title=The National Map: National Hydrography Dataset High-Resolution Flowline Data|url=http://viewer.nationalmap.gov/viewer/|accessdate=May 3, 2011}} from the headwaters in the Bitterroots to the confluence with the Lochsa near Lowell to form the Middle Fork of the Clearwater. The Selway River drains a {{convert|2013|mi2|km2|adj=on}} basin in Idaho County.