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Peace River
Peace River Valley Site C Flooding Area.jpg
Peace River Valley in BC
Peace River Watershed.png
Map of the Peace River watershed in western Canada
Native name Rivière de la Paix
Country Canada
Province British Columbia, Alberta
Cities Fort Saint John, British Columbia, Peace River, Alberta
Physical characteristics
Main source Finlay River
Thutade Lake, British Columbia
1,140 m (3,740 ft)
2nd source Parsnip River
Near Mount Barton, British Columbia
1,716 m (5,630 ft)
River mouth Slave River
Confluence of Peace with Athabasca River, Alberta
Length 1,923 km (1,195 mi)
Discharge
  • Location:
    Peace Point, Alberta
  • Minimum rate:
    344 m3/s (12,100 cu ft/s)
  • Average rate:
    2,110 m3/s (75,000 cu ft/s)
  • Maximum rate:
    9,790 m3/s (346,000 cu ft/s)
Basin features
River system Mackenzie River watershed
Basin size 306,000 km2 (118,000 sq mi)
Tributaries

The Peace River (French: rivière de la Paix) is a 1,923-kilometre-long (1,195 mi) river in Canada that originates in the Rocky Mountains of northern British Columbia and flows to the northeast through northern Alberta. The Peace River joins the Athabasca River in the Peace-Athabasca Delta to form the Slave River, a tributary of the Mackenzie River. The Finlay River, the main headwater of the Peace River, is regarded as the ultimate source of the Mackenzie River. The combined Finlay–Peace–Slave–Mackenzie river system is the 13th longest river system in the world.

History

The regions along the river are the traditional home of the Danezaa people, called the Beaver by the Europeans. The fur trader Peter Pond is believed to have visited the river in 1785. In 1788 Charles Boyer of the North West Company established a fur trading post at the river's junction with the Boyer River.

In 1792 and 1793, the explorer Alexander Mackenzie travelled up the river to the Continental Divide. Mackenzie referred to the river as Unjegah, from a native word meaning "large river".

The decades of hostilities between the Danezaa and the Cree, (in which the Cree dominated the Danezaa), ended in 1781 when a smallpox epidemic decimated the Cree. The Treaty of the Peace was celebrated by the smoking of a ceremonial pipe. The treaty made the Peace River a border, with the Danezaa to the North and the Cree to the South.

In 1794, a fur trading post was built on the Peace River at Fort St. John; it was the first non-native settlement on the British Columbia mainland.

Post-Settlement

The rich soils of the Peace River valley in Alberta have been producing wheat crops since the late 19th century. Early in the 21st century, the BC Grain Producers Association was researching the productivity of wheat and other grain crops near Dawson Creek. The Peace River region is also an important centre of oil and natural gas production. There are also pulp and paper plants along the river in Alberta and British Columbia.

Gathering fuel for the steamship Grenfell on the Peace River
The Grenfell was one of the vessels that shipped cargo on the Peace River.

The Peace River has two navigable sections, separated by the Vermilion Chutes, near Fort Vermilion. The first steam-powered vessel to navigate the Peace River was the Grahame, a Hudson's Bay Company vessel built at Fort Chipewyan, on Lake Athabasca. Brothers of the Oblate Order of Mary Immaculate built the St. Charles to navigate the upper reaches of the River, from Fort Vermilion to Hudson's Hope. Approximately a dozen vessels were to navigate the river. Most of the early vessels were wood-burning steamships, fueled by wood cut from the river's shore. The last cargo vessel was the Watson's Lake, retired in 1952.

Geography

Course

This river is 1,923 kilometres (1,195 mi) long (from the head of Finlay River to Lake Athabasca). It drains an area of approximately 302,500 square kilometres (116,800 sq mi). At Peace Point, where it drains in the Slave River, it has an annual discharge of 68.2 billion cubic metres (55,300,000 acre⋅ft).

A large man-made lake, Williston Lake, has been formed on the upper reaches by the construction of the W. A. C. Bennett Dam for hydroelectric power generation. Prior to its flooding, the confluence of the Finlay and Parsnip Rivers at Finlay Forks was distinct. A half mile east of that location were the half-mile long Finlay Rapids and a further seven miles east is the Peace Pass, which separates the Muskwa Ranges and the Hart Ranges of the Canadian Rockies.

The only river cutting completely through the Rockies, it nowadays flows into Dinosaur Lake, a reservoir for the Peace Canyon Dam. After the dams, the river flows east into Alberta and then continues north and east into the Peace-Athabasca Delta in Wood Buffalo National Park, at the western end of Lake Athabasca. Water from the delta flows into the Slave River east of Peace Point and reaches the Arctic Ocean via the Great Slave Lake and Mackenzie River.

Communities

FortVermilion-Sunset
Peace River in Fort Vermilion, Alberta.
The Peace River
The Peace River as it winds past the town of Peace River during the autumntime.

Communities located directly on the river include:

Many provincial parks and wildland reserves are established on the river, such as Butler Ridge Provincial Park, Taylor Landing Provincial Park, Beatton River Provincial Park, Peace River Corridor Provincial Park in British Columbia and Dunvegan Provincial Park, Dunvegan West Wildland, Peace River Wildland Provincial Park, Greene Valley Provincial Park, Notikewin Provincial Park, Wood Buffalo National Park in Alberta.

A few Indian reserves are also located on the river banks, among them Beaver Ranch 163, John D'Or Prairie 215, Fox Lake 162, Peace Point 222 and Devil's Gate 220.

Tributaries

Tributaries of the Peace River include:

Williston Lake
Northeastern British Columbia
  • Gething Creek, Moosbar Creek, Johnson Creek, Starfish Creek, Bullrun Creek, Portage Creek, Maurice Creek, Lynx Creek, Farrell Creek
  • Halfway River
  • Cache Creek, Wilder Creek, Tea Creek
  • Moberly River
  • Pine River
  • Eight Mile Creek
  • Beatton River
  • Golata Creek, Mica Creek
  • Kiskatinaw River
  • Alces River
Alberta
  • Moonlight Creek
  • Pouce Coupe River
  • Clear River
  • Sneddon Creek
  • Montagneuse River
  • Fourth Creek, Hamelin Creek
  • Ksituan River
  • Hines Creek, Dunvegan Creek, Boucher Creek
  • Leith River (Little Burnt River)
  • Saddle River (Burnt River)
  • Griffin Creek, Mcallister Creek, Strong Creek
  • Smoky River
  • Heart River
  • Pat's Creek, Three Creeks, Carmon Creek
  • Whitemud River
  • Cadotte River
  • Buchanan Creek, Keppler Creek
  • Notikewin River
  • Scully Creek
  • Wolverine River
  • Buffalo River
  • Keg River
  • Steephill Creek
  • Boyer River
  • Caribou River
  • Beaver Ranch Creek
  • Wabasca River
  • Lawrence River
  • Mikkwa River (Little Red River)
  • Dummy Creek, Waldo Creek
  • Pakwanutik River
  • Garden Creek, Drolet Creek, Swan River, Vermilion River, Trident Creek, Portage River
  • Jackfish River
  • Jodoin Creek
  • Claire River
Lake Claire
  • Lake Claire
    • Birch River
    • McIvor River
    • Mamawi Lake
  • Baril River
  • Chenal Des Quatre Fourches
  • Revolution Coupe
  • Scow Channel
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