South Fork Spring River

{{Short description|Tributary river in the American state of Missouri}}

{{Use American English|date=February 2025}}

{{Infobox river

| name = South Fork of the Spring River

| native_name =

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| name_other =

| image = South Fork river at Kia Kima Scout Reservation.jpg

| image_size =

| image_caption = South Fork at Kia Kima Scout Reservation

| image_alt =

| map =

| map_size =

| map_caption =

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| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = States

| subdivision_name2 = Arkansas, Missouri

| subdivision_type3 = Cities

| subdivision_name3 = Sturkie, Salem, Saddle, Cherokee Village, Hardy

| source1_location = Howell County, Missouri near South Fork, Missouri

| source1_coordinates= {{coord|36|40|36|N|91|56|55|W}}

| source1_elevation =

| mouth_location = Spring River Hardy, Arkansas

| mouth_coordinates = {{coord|36|19|06|N|91|29|42|W|display=inline,title}}

| mouth_elevation = {{Convert|354|ft|m|abbr=on}}{{cite web | url=http://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:55029 | title=Feature Detail Report for: South Fork Spring River | publisher=US Geological Service | work=Geographic Names Informational System | accessdate=April 28, 2016}}

| length = {{Convert|75|mi|km|abbr=on}}

| basin_size = {{Convert|93.8|mi2|km2|abbr=on}}{{cite journal | url=https://libinfo.uark.edu/aas/issues/2009v63/v63a12.pdf | title=A Qualitative Freshwater Mussel Survey of the South Fork Spring River, Missouri and Arkansas | author=Martin, H.C. | author2=Harris, J.L. | author3=Christian, A.D.| journal=Journal of the Arkansas Academy of Science | year=2009 | volume=63 | pages=106–112}}

| discharge1_location= Saddle, Arkansas

| discharge1_avg = 304 cu/ft. per sec.{{Cite web|url=https://waterdata.usgs.gov/ar/nwis/uv/?site_no=07069295&PARAmeter_cd=00065,00060|title = USGS Current Conditions for USGS 07069295 South Fork Spring River at Saddle, AR}}

| river_system = Spring River Tributaries Watershed

| basin_landmarks = Kia Kima Scout Reservation

| progression =

}}

The South Fork Spring River (commonly South Fork of the Spring River or simply South Fork River) is a tributary of the Spring River, roughly {{Convert|75|mi|km|abbr=on}} long, in southern Missouri and northern Arkansas in the United States. The river flows through the Salem Plateau of the Ozarks and it is part of the Spring River Tributaries Watershed.

The South Fork rises in Howell County northeast of the unincorporated community of South Fork and southwest of West Plains.Missouri Atlas & Gazetteer, DeLorme, 1998, First edition, p. 64, {{ISBN|0-89933-224-2}} The river flows generally southeast from Howell County through Fulton County before joining with the Spring River in Sharp County west of Hardy.Arkansas Atlas and Gazetteer, DeLorme, 2nd edition 2002, page = 27 {{ISBN|0-89933-345-1}}