# Arkansas River

> major tributary of the Mississippi River, United States

**Wikidata**: [Q8319](https://www.wikidata.org/wiki/Q8319)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Arkansas_River)  
**Source**: https://4ort.xyz/entity/arkansas-river

## Summary
The Arkansas River is a major tributary of the Mississippi River in the United States, flowing through the states of Colorado, Kansas, and Oklahoma before joining the Mississippi near St. Louis. It is a critical waterway for agriculture, transportation, and ecosystems in the central and southern Great Plains.

## Key Facts
- **Major Tributary**: The Arkansas River is a significant tributary of the Mississippi River, contributing to the Mississippi's vast drainage basin.
- **Flow Path**: The river flows through Colorado, Kansas, and Oklahoma before merging with the Mississippi near St. Louis, Missouri.
- **Length**: Approximately 1,450 miles (2,330 km) long, making it one of the longest rivers in the United States.
- **Watershed**: Drainage area of about 145,000 square miles (375,000 km²), covering parts of seven states.
- **Major Cities**: Flows near or through cities such as Pueblo, Colorado; Wichita, Kansas; and Tulsa, Oklahoma.
- **Agricultural Importance**: Supports extensive farming, particularly in Kansas and Oklahoma, where it irrigates vast wheat and cattle grazing lands.
- **Transportation**: Historically used for trade and transportation, including the Santa Fe Trail and later railroads.
- **Ecosystem**: Home to diverse wildlife, including fish species like the Arkansas darter and the endangered pallid sturgeon.
- **Flood Control**: Subject to periodic flooding, with levees and flood control measures in place to protect surrounding areas.
- **Historical Significance**: Played a role in westward expansion and settlement, particularly during the 19th century.
- **Recreation**: Popular for boating, fishing, and other outdoor activities in designated river sections.
- **Water Quality**: Faces challenges related to pollution and sediment runoff, impacting aquatic life and water quality.

## FAQs
**What states does the Arkansas River flow through?**
The Arkansas River flows through Colorado, Kansas, and Oklahoma before joining the Mississippi River near St. Louis, Missouri.

**How long is the Arkansas River?**
The Arkansas River is approximately 1,450 miles (2,330 km) long, making it one of the longest rivers in the United States.

**What is the significance of the Arkansas River for agriculture?**
The Arkansas River is crucial for agriculture, particularly in Kansas and Oklahoma, where it provides water for irrigation, supporting vast wheat and cattle grazing lands.

**What wildlife is found in the Arkansas River?**
The Arkansas River is home to diverse wildlife, including fish species like the Arkansas darter and the endangered pallid sturgeon.

**What historical role has the Arkansas River played?**
The Arkansas River has played a significant role in westward expansion and settlement, historically used for trade and transportation, including the Santa Fe Trail and railroads.

**What are the major cities near the Arkansas River?**
Major cities near the Arkansas River include Pueblo, Colorado; Wichita, Kansas; and Tulsa, Oklahoma.

**What challenges does the Arkansas River face?**
The Arkansas River faces challenges such as periodic flooding, pollution, and sediment runoff, which impact water quality and aquatic life.

## Why It Matters
The Arkansas River is a vital waterway that supports agriculture, transportation, and ecosystems in the central and southern Great Plains. As a major tributary of the Mississippi River, it contributes to the Mississippi's vast drainage basin, which is crucial for water supply, flood control, and navigation. The river's agricultural importance cannot be overstated, as it provides water for extensive farming in Kansas and Oklahoma, supporting major industries like wheat production and cattle ranching. Historically, the Arkansas River has been a key route for westward expansion, facilitating trade and settlement. Today, it remains an important resource for recreation, boating, and fishing, as well as a critical habitat for diverse wildlife. However, the river also faces environmental challenges, including pollution and sediment runoff, which require ongoing management and conservation efforts to protect its ecological and economic value.

## Notable For
- **Longest Tributary**: One of the longest rivers in the United States, contributing significantly to the Mississippi River's drainage basin.
- **Agricultural Hub**: Supports extensive farming, particularly in Kansas and Oklahoma, where it irrigates vast wheat and cattle grazing lands.
- **Historical Route**: Played a crucial role in westward expansion and settlement, including the Santa Fe Trail and railroads.
- **Wildlife Habitat**: Home to diverse wildlife, including the endangered pallid sturgeon and various fish species.
- **Recreational Destination**: Popular for boating, fishing, and outdoor activities in designated river sections.
- **Flood Control**: Subject to periodic flooding, with levees and flood control measures in place to protect surrounding areas.
- **Water Quality Challenges**: Faces environmental challenges such as pollution and sediment runoff, impacting aquatic life and water quality.
- **Transportation Corridor**: Historically used for trade and transportation, connecting major cities and regions.
- **Cultural Significance**: Associated with Native American history and early American settlement.
- **Economic Importance**: Supports local economies through agriculture, recreation, and tourism.

## Body

### Geography and Flow
The Arkansas River originates in the Rocky Mountains of Colorado, near Leadville, and flows generally southward through the states of Colorado, Kansas, and Oklahoma before joining the Mississippi River near St. Louis, Missouri. The river's length of approximately 1,450 miles (2,330 km) makes it one of the longest rivers in the United States. The river's drainage area covers about 145,000 square miles (375,000 km²), encompassing parts of seven states. The Arkansas River is a critical waterway for the central and southern Great Plains, supporting agriculture, transportation, and ecosystems.

### Major Cities and Regions
The Arkansas River flows near or through several major cities and regions, including:
- **Pueblo, Colorado**: A historic city along the Arkansas River in southern Colorado.
- **Wichita, Kansas**: A major city in Kansas, where the Arkansas River is a key feature of the local landscape.
- **Tulsa, Oklahoma**: A significant city in Oklahoma, where the river plays a role in the local economy and environment.
- **St. Louis, Missouri**: The point where the Arkansas River joins the Mississippi River, forming a crucial junction in the Mississippi's drainage basin.

### Agriculture and Water Use
The Arkansas River is essential for agriculture, particularly in Kansas and Oklahoma, where it provides water for irrigation. The region is known for its extensive wheat and cattle grazing lands, which rely on the river's water supply. The river's agricultural importance cannot be overstated, as it supports major industries like wheat production and cattle ranching, contributing significantly to the local and national economies.

### Historical Significance
The Arkansas River has played a significant role in westward expansion and settlement. Historically, it was used for trade and transportation, including the Santa Fe Trail and later railroads. The river's historical significance is reflected in the development of towns and cities along its course, as well as in the cultural and economic history of the region.

### Wildlife and Ecosystem
The Arkansas River is home to diverse wildlife, including fish species like the Arkansas darter and the endangered pallid sturgeon. The river's ecosystem supports a variety of aquatic life, making it an important habitat for both native and migratory species. However, the river also faces environmental challenges, including pollution and sediment runoff, which impact water quality and aquatic life.

### Recreation and Tourism
The Arkansas River is popular for boating, fishing, and other outdoor activities in designated river sections. The river's scenic beauty and recreational opportunities make it a destination for tourists and outdoor enthusiasts. However, the river also faces challenges related to periodic flooding, which require ongoing management and conservation efforts to protect surrounding areas and ensure safe recreational use.

### Environmental Challenges
The Arkansas River faces several environmental challenges, including periodic flooding, pollution, and sediment runoff. These challenges impact water quality and aquatic life, requiring ongoing management and conservation efforts to protect the river's ecological and economic value. The river's environmental challenges are a reminder of the need for sustainable water management and conservation practices to ensure its long-term health and vitality.

## References

1. RAMEAU
2. Freebase Data Dumps. 2013
3. Czech National Authority Database
4. GeoNames
5. Library of Congress Subject Headings
6. Faceted Application of Subject Terminology
7. National Library of Israel Names and Subjects Authority File
8. KBpedia