Catoctin Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed August 15, 2011

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Potomac River The Potomac River () drains the Mid-Atlantic United States, flowing from the Potomac Highlands into Chesapeake Bay. It is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map. Retrieved Augus ...

Loudoun County Loudoun County () is in the northern part of the Commonwealth of Virginia in the United States. In 2020, the census returned a population of 420,959, making it Virginia's third-most populous county. Loudoun County's seat is Leesburg. Loudoun C ...

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...

, with a watershed of . Agricultural lands make up 67 percent and forests 30 percent of Catoctin Creek's watershed. It is the main drainage system for the northern

Loudoun Valley The Loudoun Valley is a small, but historically significant valley in the Blue Ridge Mountains located in Loudoun County in Northern Virginia in the United States. Geography The lush and fertile valley lies between Catoctin Mountain and the B ...

, including all of the

Catoctin Valley The Catoctin Valley is a small valley, geographically and culturally associated with the larger Loudoun Valley in Loudoun County, Virginia. Geography The Catoctin Valley encompasses the northern part of the Loudoun Valley east of the Short Hill ...

Course

The main arteries consist of the Catoctin and its North and South Forks.

North Fork Catoctin Creek

The North Fork Catoctin Creek, long, begins at

Purcellville Purcellville is a town in Loudoun County, Virginia. The population was 8,929 according to the 2020 Census. Purcellville is the major population center for Western Loudoun and the Loudoun Valley. Many of the older structures remaining in Purcellvil ...

Reservoir east of the

Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virgin ...

in the

Between the Hills Between the Hills is a small valley in northwest Loudoun County, Virginia, distinct from, but associated with, the greater Loudoun Valley. Geography The Between the Hills valley encompasses the area of Loudoun that lies west of Short Hill Mountai ...

valley, near the

West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...

border. State Route 9 follows the north fork westward as it flows through

Hillsboro Gap Hillsboro Gap, also known as the Gap in the Short Hill is a water gap in the Short Hill Mountain formed by the North Fork of the Catoctin Creek in Loudoun County, Virginia. The gap derives its name from the town of Hillsboro, which is nestled i ...

Short Hill Mountain Short Hill Mountain is a mountain ridge of the Blue Ridge Mountains in northwest Loudoun County, Virginia. Geography Short Hill rises sharply from the Piedmont countryside of the Loudoun Valley, northwest of Purcellville. It is a low-lying ridg ...

at Hillsboro. From Wheatland the North Fork flows northeast.

South Fork Catoctin Creek

The source of the South Fork Catoctin Creek is just east of the Blue Ridge's Wilson Gap on the West Virginia border. From the source the South Fork flows southeast toward

, where it turns north and east toward

Waterford "Waterford remains the untaken city" , mapsize = 220px , pushpin_map = Ireland#Europe , pushpin_map_caption = Location within Ireland##Location within Europe , pushpin_relief = 1 , coordinates ...

, where it flows north again to its confluence with the North Fork.

Main Branch

The main branch of Catoctin Creek is formed by the confluence of its forks along the western edges of

Catoctin Mountain Catoctin Mountain, along with the geologically associated Bull Run Mountains, forms the easternmost mountain ridge of the Blue Ridge Mountains, which are in turn a part of the Appalachian Mountains range. The ridge runs northeast–southwest for ...

north of Waterford and southeast of Milltown. The creek flows north along Catoctin Mountain's western side through the village of Taylorstown. Catoctin Creek continues meandering along the northern edge of Furnace Mountain and empties into the Potomac River to the north of the

U.S. Highway 15 U.S. Route 15 (US 15) is a -long United States Numbered Highways, United States highway, designated along South Carolina, North Carolina, Virginia, Maryland, Pennsylvania, and New York (state), New York. The route is signed north–south, from ...

bridge across from Point of Rocks,

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

References

DeLorme DeLorme is the producer of personal satellite tracking, messaging, and navigation technology. The company’s main product, ''inReach'', integrates GPS and satellite technologies. ''inReach'' provides the ability to send and receive text messages ...

, Yarmouth, Maine, ''Virginia Atlas and Gazetteer'', Fourth Edition, 2000 *

External links