Rock Run (Martins Creek tributary)

Rock Run
Rock Run
	Rock Run
Location
Country	United States
State	Pennsylvania
County	Bucks
Township	Lower Makefield; Falls
Physical characteristics
Source
• coordinates	40°12′24″N 74°50′38″W / 40.20667°N 74.84389°W
• elevation	150 feet (46 m)
Mouth
• coordinates	40°10′36″N 74°48′39″W / 40.17667°N 74.81083°W
• elevation	33 feet (10 m)
Length	4.81 miles (7.74 km)
Basin size	4.87 square miles (12.6 km2)
Basin features
Progression	Rock Run → Martins Creek → Delaware River → Delaware Bay
River system	Delaware River
Bridges	Stony Hill Road; David Terrace; Esther Lane; Derbyshire Road; Makefield Road; Big Oak Road; Kent Drive; Valley Road; Alden Avenue; West Trenton Avenue; Pine Grove Road; U.S. Route 1 (Lincoln Highway); SEPTA Railroad; Newbold Road; Tyburn Road;
	Slope
	24.32 feet per mile (4.606 m/km)