McDonald Run (Slippery Rock Creek tributary)

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

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

{{Infobox river

| name = McDonald Run

| name_native =

| name_native_lang =

| name_other = Tributary to Slippery Rock Creek

| name_etymology =

| image =

| image_caption =

| map =

| map_size = 300

| map_caption =

| pushpin_map = Pennsylvania#USA

| pushpin_map_size = 300

| pushpin_map_caption= Location of McDonald Run mouth

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Pennsylvania

| subdivision_type3 = County

| subdivision_name3 = Butler

| subdivision_type4 =

| subdivision_name4 =

| subdivision_type5 =

| subdivision_name5 =

| length = {{convert|3.07|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=23 August 2019}}

| width_min =

| width_avg =

| width_max =

| depth_min =

| depth_avg =

| depth_max =

| discharge1_location= Slippery Rock Creek

| discharge1_min =

| discharge1_avg = {{convert|6.07|cuft/s|m3/s|abbr=on}} at mouth with Slippery Rock Creek{{cite web |title=McDonald Run Watershed Report |url=https://watersgeo.epa.gov/watershedreport/?comid=10922597 |website=Waters Geoviewer |publisher=US EPA |accessdate=23 August 2019}}

| discharge1_max =

| source1 = divide between McDonald Run and McMurray Run

| source1_location = Forestville, Pennsylvania{{cite web |title=Slippery Rock Creek Topo Map, Lawrence County PA (Beaver Falls Area) |url=https://www.topozone.com/pennsylvania/lawrence-pa/stream/slippery-rock-creek-3/ |website=TopoZone |publisher=Locality, LLC |accessdate=23 August 2019 |language=en}}

| source1_coordinates= {{coord|41|06|29|N|080|00|40|W|display=inline}}{{cite web |title=GNIS Detail - McDonald Run |url=https://geonames.usgs.gov/apex/f?p=138:3:0::NO:3:P3_FID,P3_TITLE:1180693,McDonald%20Run |website=geonames.usgs.gov |publisher=US Geological Survey |accessdate=23 August 2019}}

| source1_elevation = {{convert|1,330|ft|abbr=on}}

| mouth = Slippery Rock Creek

| mouth_location = about 1 mile south of Branchton, Pennsylvania

| mouth_coordinates = {{coord|41|03|39|N|079|59|16|W|display=inline,title}}

| mouth_elevation = {{convert|1,160|ft|abbr=on}}

| progression = Slippery Rock Creek → Connoquenessing Creek → Beaver River → Ohio River → Mississippi River → Gulf of Mexico

| river_system = Beaver River

| basin_size = {{convert|4.02|sqmi}}

| basin_population =

| tributaries_left = unnamed tributaries

| tributaries_right = unnamed tributaries

| custom_label =

| custom_data =

| extra =

}}

McDonald Run is a {{convert|3.07|mi|km|abbr=on}} long tributary to Slippery Rock Creek that rises near Forestville in Butler County, Pennsylvania and flows south to meet Slippery Rock Creek near Branchton.