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Pimmit Run is a 7.8-mile-long (12.6 km)[1]stream innorthernVirginia that runs fromFairfax County to thePotomac River atChain Bridge in the Arlingwood neighborhood ofArlington.
Pimmit Run forms south ofLeesburg Pike (State Route 7), inIdylwood, Virginia, nearGeorge C. Marshall High School. The run flows underground until it crossesLeesburg Pike, then flows openly pastPimmit Hills. Originally, the part of the run south ofLeesburg Pike flowed above ground as well, but development gradually forced it underground. The portion of the stream that borders Pimmit Hills was widened and lined with concrete in the early 1970s to prevent flooding.
From Pimmit Hills, Pimmit Run flows northeast through Pimmit Run Stream Valley Park and then under theDulles Toll Road into Devon Park and Chesterbrook Gardens neighborhoods. Pimmit Run continues on its northeastern course meandering through Pimmit Run Stream Valley Park. At Westmont, the stream is joined by Little Pimmit Run before paralleling theGeorge Washington Memorial Parkway and flowing southeast intoArlington. The stream parallels Chain Bridge Road as it bisects the Arlington Bluff and empties into the Potomac just downstream of the bridge.
The stream was named forJohn Pimmit, who in 1675 was an overseer for William Fitzhugh (1651–1701). Pimmit was naturalized a citizen in 1679. He died by drowning in February 1688, on the Potomac River, near the mouth of the stream which was named after him.[2]
Pimmit run is a Fairfax County Park Authority Stream Valley, meaning visitors of the park are required to follow rules established by the Fairfax County Park Authority. These rules include:
Pimmit Run's tributaries are listed from its headwaters to its mouth.
According to theGeographic Names Information System, Pimmit Run has also been known by the following names.
38°55′45″N77°06′59″W / 38.929041°N 77.116416°W /38.929041; -77.116416