| Sample river geobox for sandbox | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Maryland |
| Subdivision Type3: | County |
| Subdivision Name3: | Baltimore County |
| Subdivision Type4: | Township |
| Source1 Location: | Baltimore County, Maryland, United States |
| Source1 Coordinates: | 39.4514°N -76.6719°W |
| Mouth Location: | Baltimore County, Maryland, United States |
| Mouth Coordinates: | 39.4144°N -76.6706°W |
| Mouth Elevation: | 276feet |
Deep Run is a tributary of Jones Falls a stream in Baltimore County, Maryland, in the United States.[1]