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Geddes Run (Tohickon Creek tributary) facts for kids

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Geddes Run
pushpin map showing location of Geddes Run
pushpin map showing location of Geddes Run
Geddes Run
Country United States
State Pennsylvania
County Bucks
Township Plumstead
Physical characteristics
Main source 555 feet (169 m)
40°23′10″N 75°8′24″W / 40.38611°N 75.14000°W / 40.38611; -75.14000
River mouth 82 feet (25 m)
40°25′23″N 75°3′59″W / 40.42306°N 75.06639°W / 40.42306; -75.06639
Length 5.21 miles (8.38 km)
Basin features
Progression Geddes Run → Tohickon CreekDelaware RiverDelaware Bay
River system Delaware River
Basin size 4.94 square miles (12.8 km2)
Bridges Meetinghouse Road
Potters Lane
Belmont Manor Drive
Old Durham Road
Pennsylvania Route 412 (Durham Road)
Wismer Road
Groveland Road
Tollgate Road
Tohickon Hill Road
Slope 90.79 feet per mile (17.195 m/km)

Geddes Run is a tributary of the Tohickon Creek contained wholly within Plumstead Township, Bucks County, Pennsylvania, in the United States.


The first inhabitants of the area of Geddes run were the Lenape people. Many artifacts have been found including 'turtlebacks' fashioned by the Lenape people from a quarry in the area of Geddes Run. The region became part of the Walking Purchase of the family of William Penn in 1737.

The nearby 'bluestone' quarry was operated for many years by Nicholas L. Heaney which supplied thousands of feet of flagstone and curbstone for Doylestown's streets until replaced by concrete.

On 24 August 1891, a storm occurred, which was officially measured in Doylestown at 5.21 inches (13.2 cm) in 24 hours caused Geddes Run to flood resulting in severe damage in Point Pleasant including the destruction of the Solomon Fulmer store and severe damage to the covered bridge over the Tohickon Creek.


Geddes Run is 5.21 miles (8.38 km) long, and a watershed of 4.94 square miles (12.8 km2), part of the Delaware River watershed. It rises at an elevation of 555 feet (169 m) and its mouth elevation is 82 feet (25 m) resulting in an average slope of 90.79 feet per mile (17.195 m/km). The GNIS I.D. number is 1175497, the U.S. Department of the Interior Geological Survey code number is 03111. Geddes Run meets its confluence at the Tohickon Creek's 0.30 river mile.


Geddes Run is northeast oriented for about half its length, then it turns to the southeast for a short distance then, as it turns back northeast, it picks up an unnamed tributary. It reaches the Tohickon Creek in Pleasant Valley about 1,500 feet (460 m) before the Tohickon flows into the Delaware River.


Geddes Run lies on the Lockatong Formation of rock formed during the Triassic, which consists of argillite, shale, and some impure limestone and calcareous shale.

Crossings and Bridges

Crossing NBI Number Length Lanes Spans Material/Design Built Reconstructed Latitude Longitude
Meetinghouse Road - - - - - - - -
Potters Lane - - - - - - - -
Belmont Manor Drive - - - - - - - -
Old Durham Road 7634 10 1 1 Steel stringer/multi-beam or girder 1950 - 40°24'2.2"N 75°7'16.1"W
Pennsylvania Route 413 (Durham Road) - - - - - - - -
Wismer Road - - - - - - - -
Groveland Road 7548 7 2 1 Continuous concrete stringer/multi-beam or girder 1937 - 40°24'56.7"N 75°5'42.7"W
Tollgate Road - - - - - - - -
Tohickon Hill Road - - - - - - - -
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