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Arroyo Las Positas facts for kids

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Arroyo Las Positas
ArroyoLasPositas.jpg
Arroyo Las Positas near its beginning, with Interstate 580 in the background.
Arroyo Las Positas is located in California
Arroyo Las Positas
Location of the mouth in California
Country United States
State California
Region Alameda County
Cities Livermore, Dublin
Physical characteristics
Main source confluence
north of Livermore
482 ft (147 m)
37°42′20″N 121°45′18″W / 37.70556°N 121.75500°W / 37.70556; -121.75500
River mouth Arroyo Mocho
north of Dublin
348 ft (106 m)
37°41′41″N 121°51′34″W / 37.69472°N 121.85944°W / 37.69472; -121.85944

Arroyo Las Positas is a stream in Alameda County, California. It flows west for about 7.4 miles (11.9 kilometers). This stream starts north of Livermore. It ends by joining another stream called Arroyo Mocho in Dublin, California.

What is Arroyo Las Positas?

Arroyo Las Positas is a natural watercourse. This means it is a path where water flows. It is like a small river or a large creek. The word "Arroyo" comes from the Spanish word for a small stream or dry creek bed.

Where is it Located?

This stream is found in Alameda County, California. This county is in the state of California, in the United States. The stream passes through or near two important cities. These cities are Livermore and Dublin.

Starting Point

Arroyo Las Positas begins its journey in the northern part of Livermore. It forms when two smaller streams meet. These streams are Arroyo Seco and Cayetano Creek. The starting point is about 482 feet (147 meters) above sea level.

Ending Point

The stream flows west until it reaches Dublin. Here, it joins a larger stream called Arroyo Mocho. This meeting point is north of Dublin. The elevation at its mouth is about 348 feet (106 meters).

Importance of Streams

Streams like Arroyo Las Positas are very important. They help carry water across the land. This water can come from rain or underground sources.

  • They provide water for plants and animals.
  • They help shape the landscape over time.
  • They can be part of larger river systems.
  • They help drain water from cities and towns.
ArroyoLasPositas
Arroyo Las Positas near its beginning, with Interstate 580 in the background.

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