| Deer Run | |
| Pushpin Map: | USA Pennsylvania |
| Pushpin Map Size: | 250 |
| Pushpin Map Caption: | Deer Run |
| Pushpin Map Alt: | pushpin map showing location of Deer Run |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Bucks |
| Subdivision Type4: | Township |
| Subdivision Name4: | Bedminster |
| Length: | 3.89miles |
| Source1 Elevation: | 390feet |
| Mouth Elevation: | 282feet |
| Progression: | Deer Run → Tohickon Creek → Delaware River → Delaware Bay |
| River System: | Delaware River |
| Basin Size: | 5.51sqmi |
| Bridges: | Sweetbriar Road Center School Road Center School Road Fretz Valley Road Creamery Road Rolling Hills Road Deer Run Road |
| Custom Label: | Slope |
| Custom Data: | 27.76ft/mi |
Deer Run is a tributary of the Tohickon Creek in Bedminster Township, Bucks County, Pennsylvania in the United States.[1]
Deer Run is contained wholly within Bedminster Township and is part of the Delaware River watershed. It's GNIS identification number is 1192341, the PA Department of Environmental Resources identification number is 03142. Its watershed is 5.51sqmi. It meets its confluence at the Tohickon Creek's 8.00 river mile.
Deer Run rises in Bedminster Township about 2.5miles east northeast of Elephant at an elevation of 390feet. It is, at first, south southeast oriented for about 1miles where it picks up an unnamed tributary from the south, and it turns and flows generally northeast for about 0.78miles where it receives an unnamed tributary on the left, then continues for another 1.8miles where it shares its confluence with Mink Run at the Tohickon Creek at an elevation of 282feet, resulting in an average slope of 27.76ft/mi. Its mouth is only about 200feet upstream from Wolf Run.
Wolf Run lies within the Brunswick Formation in the Newark Basin laid down during the Jurassic and the Triassic. Rocks includes mudstone, siltstone, and reddish-brown, green, and brown shale. Mineralogy includes red and dark-gray argillite and hornfels.[2]