| Core Creek Coar Creek, Koar Creek, Ye Old Mans Creek | |
|---|---|
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| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Bucks |
| Township | Lower Makefield, Middletown |
| Physical characteristics | |
| Source | |
| • coordinates | 40°15′30″N 74°54′51″W / 40.25833°N 74.91417°W |
| • elevation | 280 feet (85 m) |
| Mouth | |
• coordinates | 40°11′22″N 74°55′40″W / 40.18944°N 74.92778°W |
• elevation | 66 feet (20 m) |
| Length | 7.24 miles (11.65 km) |
| Basin size | 9.77 square miles (25.3 km2) |
| Basin features | |
| Progression | Core Creek → Neshaminy Creek → Delaware River → Delaware Bay |
| River system | Delaware Bay |
| Landmarks | Garden of Reflection, Core Creek Park |
| Waterbodies | Silver Lake, Lake Luxembourg |
| Slope | 29.56 feet per mile (5.598 m/km) |
Core Creek is a tributary of the Neshaminy Creek in Bucks County, Pennsylvania. Rising in Lower Makefield Township, it flows in the Stockton Formation until it meets its confluence with the Neshaminy in Middletown Township. At one time it powered seven mills along its length.