Rock Spring Run (Youghiogheny River tributary)

{{Short description|Stream in Pennsylvania, USA}}

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

{{Infobox river

| name = Rock Spring Run

| name_native =

| name_native_lang =

| name_other = Tributary to Youghiogheny River

| name_etymology =

| image =

| image_caption =

| image_alt =

| map =

| map_size = 300

| map_caption =

| pushpin_map = USA Pennsylvania#USA

| pushpin_map_size = 300

| pushpin_map_caption = Location of Rock Spring Run mouth

| pushpin_map_alt = Map of Rock Spring Run mouth location

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Pennsylvania

| subdivision_type3 = County

| subdivision_name3 = Fayette

| subdivision_type4 =

| subdivision_name4 =

| subdivision_type5 =

| subdivision_name5 =

| length = {{convert|2.34|mi|km|abbr=on}}{{cite web |title=ArcGIS Web Application |url=https://epa.maps.arcgis.com/apps/webappviewer/index.html?id=ada349b90c26496ea52aab66a092593b |website=epa.maps.arcgis.com |publisher=US EPA |accessdate=24 November 2020}}

| width_min =

| width_avg =

| width_max =

| depth_min =

| depth_avg =

| depth_max =

| discharge1_location = Youghiogheny River

| discharge1_min =

| discharge1_avg = {{convert|3.18|cuft/s|m3/s|abbr=on}} at mouth with Youghiogheny River{{cite web |title=Rock Spring Run Watershed Report |url=https://watersgeo.epa.gov/watershedreport/?comid=3807721 |website=US EPA Geoviewer |publisher=US EPA |access-date=24 November 2020}}

| discharge1_max =

| source1 = Bear Run divide

| source1_location = about 2.5 miles north-northeast of Victoria, Pennsylvania{{cite web |title=Get Maps |url=https://ngmdb.usgs.gov/topoview/viewer/#15/39.8769/-79.4462 |website=USGS Topoview |publisher=US Geological Survey |access-date=24 November 2020 |language=en}}

| source1_coordinates = {{coord|39|52|51|N|079|26|31|W|display=inline}}{{cite web |title=GNIS Detail - Rock Spring Run |url=https://geonames.usgs.gov/apex/f?p=138:3:::NO::P3_FID,P3_TITLE:1185296,Rock%20Spring%20Run |website=geonames.usgs.gov |publisher=US Geological Survey |access-date=24 November 2020}}

| source1_elevation = {{convert|2,215|ft|abbr=on}}

| mouth = Youghiogheny River

| mouth_location = Victoria, Pennsylvania{{cite web |title=Get Maps |url=https://ngmdb.usgs.gov/topoview/viewer/#15/39.8597/-79.4573 |website=USGS Topoview |publisher=US Geological Survey |access-date=24 November 2020 |language=en}}

| mouth_coordinates = {{coord|39|51|15|N|079|27|36|W|display=inline,title}}

| mouth_elevation = {{convert|1,257|ft|abbr=on}}

| progression = southwest

| river_system = Monongahela River

| basin_size = {{convert|1.56|sqmi}}

| basin_population =

| tributaries_left = unnamed tributaries

| tributaries_right = unnamed tributaries

| waterbodies =

| bridges = Victoria Trail

| custom_label =

| custom_data =

| extra =

}}

Rock Spring Run is a {{convert|2.34|mi|km|abbr=on}} long 1st order tributary to the Youghiogheny River in Fayette County, Pennsylvania.