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Rock Run (Potomac River tributary) facts for kids

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Rock Run
Rock run at potomac river 20201106 114704 1.jpg
Rock Run at its confluence with the Potomac River
Country United States
State Maryland
County Montgomery
Physical characteristics
Main source Potomac, Maryland
River mouth Potomac River
Carderock, Maryland
38°58′11″N 77°11′04″W / 38.969742°N 77.184333°W / 38.969742; -77.184333
Length 5.3 mi (8.5 km)

Rock Run is a small stream in Montgomery County, Maryland. It is a tributary, which means it's a smaller stream that flows into a larger one. For Rock Run, the larger river it joins is the famous Potomac River.

This stream starts in the village of Potomac. The place where a river or stream begins is called its headwaters. From there, Rock Run flows southeast for about 5.3 miles (8.5 kilometers). It ends its journey by joining the Potomac River near Carderock.

A part of Rock Run flows through a special area called Rock Run Stream Valley Park. This park is a natural, undeveloped space. It is managed by the Montgomery County park system.

Journey of Rock Run

Rock Run begins its path in the community of Potomac, Maryland. This is where its waters first gather. From its starting point, the stream travels downhill. It moves in a general southeast direction.

Where Rock Run Flows

As Rock Run flows, it passes through different landscapes. It goes under roads and through wooded areas. The stream eventually reaches the Potomac River. This meeting point is called the mouth of the stream.

Rock run under c and o canal 20201106 123855 1
Rock Run where it crosses under the C & O Canal

Rock Run Stream Valley Park

A significant part of Rock Run runs through Rock Run Stream Valley Park. This park is a natural area. It is kept mostly wild and undeveloped. This helps protect the stream and the plants and animals that live there.

Protecting Nature

Undeveloped parks like Rock Run Stream Valley Park are important. They provide a home for wildlife. They also help keep the water clean. Visitors can enjoy nature in these quiet spaces.

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