# Mackenzie River

> largest river system in Canada

**Wikidata**: [Q3411](https://www.wikidata.org/wiki/Q3411)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mackenzie_River)  
**Source**: https://4ort.xyz/entity/mackenzie-river

## Summary
The Mackenzie River is the largest river system in Canada, spanning approximately 4,241 kilometers from its headwaters in the Great Slave Lake to its delta in the Arctic Ocean. It is named after Scottish explorer Alexander Mackenzie, who led the first recorded crossing of the river in 1789, and plays a crucial role in the geography and ecology of Canada’s Northwest Territories.

## Key Facts
- **Length**: Approximately 4,241 kilometers, making it the longest river in Canada.
- **Location**: Flows through the Northwest Territories of Canada, from Great Slave Lake to the Arctic Ocean.
- **Named After**: Scottish explorer Alexander Mackenzie, who first crossed the river in 1789.
- **Watershed**: Drainage basin covers about 1.8 million square kilometers, one of the largest in North America.
- **Significance**: A vital waterway for wildlife, including migratory birds and fish species like salmon and Arctic char.
- **Related Entities**:
  - **Alexander Mackenzie**: Scottish explorer who first crossed the river in 1789.
  - **Mackenzie District**: Former district of the Northwest Territories, named after the river.
  - **Canada**: The country in which the Mackenzie River is located, known for its vast northern territories.
  - **Northwest Territories**: A territory of Canada where the river flows.

## FAQs
### What is the length of the Mackenzie River?
The Mackenzie River is approximately 4,241 kilometers long, making it the longest river in Canada.

### Who is the river named after?
The Mackenzie River is named after Scottish explorer Alexander Mackenzie, who led the first recorded crossing of the river in 1789.

### Where does the Mackenzie River flow?
The river flows through the Northwest Territories of Canada, from its headwaters in Great Slave Lake to its delta in the Arctic Ocean.

### What is the significance of the Mackenzie River?
The Mackenzie River is significant for its role in the ecology of Canada’s Northwest Territories, supporting wildlife such as migratory birds and fish species like salmon and Arctic char.

### What is the drainage basin of the Mackenzie River?
The Mackenzie River’s drainage basin covers about 1.8 million square kilometers, one of the largest in North America.

## Why It Matters
The Mackenzie River is a critical waterway in Canada, playing a vital role in the region’s ecology and geography. Its vast drainage basin supports diverse wildlife, including migratory birds and fish species, making it a key habitat. The river’s discovery and exploration by Alexander Mackenzie in 1789 opened up vast territories of Canada’s Northwest Territories for further exploration and settlement. Its flow into the Arctic Ocean also influences regional climate patterns. As one of the longest rivers in Canada, the Mackenzie River is a defining feature of the country’s northern landscape, shaping both natural and human environments.

## Notable For
- Being the longest river in Canada, spanning approximately 4,241 kilometers.
- Named after Scottish explorer Alexander Mackenzie, who first crossed it in 1789.
- Supporting a diverse ecosystem, including migratory birds and fish species like salmon and Arctic char.
- Flowing through the Northwest Territories, a region of Canada’s vast northern landscape.
- Having a drainage basin of about 1.8 million square kilometers, one of the largest in North America.

## Body
### Geography and Flow
The Mackenzie River originates in Great Slave Lake, located in the Northwest Territories of Canada. It flows northward for approximately 4,241 kilometers before emptying into the Arctic Ocean. The river’s drainage basin covers about 1.8 million square kilometers, making it one of the largest in North America. The river is a critical waterway for wildlife, including migratory birds and fish species such as salmon and Arctic char.

### Historical Exploration
The Mackenzie River was named after Scottish explorer Alexander Mackenzie, who led the first recorded crossing of the river in 1789. This expedition opened up vast territories of Canada’s Northwest Territories for further exploration and settlement. Mackenzie’s detailed maps and discoveries provided essential information for fur traders, settlers, and future explorers, influencing the development of Canada’s northern regions.

### Ecological Significance
The Mackenzie River supports a diverse ecosystem, including migratory birds and fish species. Its flow into the Arctic Ocean also influences regional climate patterns. The river’s vast drainage basin makes it a key habitat for wildlife, contributing to the ecological balance of Canada’s Northwest Territories.

### Related Entities
- **Alexander Mackenzie**: Scottish explorer who first crossed the Mackenzie River in 1789, naming it after himself.
- **Mackenzie District**: A former district of the Northwest Territories, named after the river.
- **Canada**: The country in which the Mackenzie River is located, known for its vast northern territories.
- **Northwest Territories**: A territory of Canada where the Mackenzie River flows, characterized by its remote and rugged landscape.

### Cultural and Historical Impact
The Mackenzie River’s discovery and exploration by Alexander Mackenzie laid the groundwork for further exploration and settlement in Canada’s Northwest Territories. His detailed maps and discoveries provided critical information for fur traders, settlers, and future explorers, influencing the development of the region’s infrastructure. The river’s name and legacy endure as a symbol of Canada’s pioneering spirit in the exploration of its vast and remote territories.

## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Freebase Data Dumps. 2013
3. Czech National Authority Database
4. National Library of Israel Names and Subjects Authority File
5. KBpedia