|Primary outflows||Finlay River|
|Max. length||40 km (25 mi)|
|Max. width||2 km (1.2 mi)|
|Surface elevation||1,200 meters (3,900 ft)|
Thutade Lake is located in the Omineca Mountains of the Northern Interior of British Columbia, Canada. About 40 km in length, and no more than about 2 km wide, the lake is primarily significant as the ultimate source of the Mackenzie River. The lake is at the head of the Finlay River, which joins the Peace River via Williston Lake. The area is very remote, being located about 260 km north of Smithers, although several mining operations for ores containing copper, lead, zinc and silver have occurred around the lake. The largest of these is the Kemess Mine, an iron and copper property originally owned by Royal Oak Mines and now by Northgate Minerals, located in the valley of Kemess Creek, which is off the northeast end of Thutade Lake. The mine is accessed by the Omineca Resource Road and other resource routes, and is 400 km by road from Prince George. Just downstream from the outlet of Thutade Lake, the Finlay plunges over 180-foot (55 m) Cascadero Falls, and then through a series of cataracts in a twisting course until it begins its main northeastward trend. Cascadero Falls is slated for hydroelectric development in connection with the power needs of the area's mines.
The Omineca Mountains, also known as "the Ominecas", are a group of remote mountain ranges in north-central British Columbia, Canada. They are bounded by the Finlay River on the north, the Rocky Mountain Trench on the east, the Nation Lakes on the south, and the upper reaches of the Omineca River on the west. They form a section of the Continental Divide, that, in this region, separates water drainage between the Arctic and Pacific Oceans. The lower course of the Omineca River flows through the heart of the range. To the south of the Ominecas is the Nechako Plateau, to the west the Skeena Mountains and Hazelton Mountains, to the north the Spatsizi Plateau and the Stikine Ranges, while east across the Rocky Mountain Trench are the Muskwa Ranges.
The British Columbia Interior, BC Interior or Interior of British Columbia, usually referred to only as the Interior, is one of the three main regions of the Canadian province of British Columbia, the other two being the Lower Mainland, which comprises the overlapping areas of Greater Vancouver and the Fraser Valley, and the Coast, which includes Vancouver Island and also including the Lower Mainland.
Canada is a country in the northern part of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering 9.98 million square kilometres, making it the world's second-largest country by total area. Canada's southern border with the United States is the world's longest bi-national land border. Its capital is Ottawa, and its three largest metropolitan areas are Toronto, Montreal, and Vancouver. As a whole, Canada is sparsely populated, the majority of its land area being dominated by forest and tundra. Consequently, its population is highly urbanized, with over 80 percent of its inhabitants concentrated in large and medium-sized cities, many near the southern border. Canada's climate varies widely across its vast area, ranging from arctic weather in the north, to hot summers in the southern regions, with four distinct seasons.
The first European to explore the lake and its surrounding area was Samuel Black in 1824.The upper end of the lake is the Tatlatui Range, which is astride the Continental Divide of the Americas, and which with the adjoining valley of Tatlatui Lake forms Tatlatui Provincial Park.
Samuel Black British fur trader and explorer, Clerk in the New North Nest Company (XYC) and Wintering Partner in the North West Company (NWC), and later Clerk, Chief Trader, and Chief factor in the Hudson's Bay Company (HBC) for the Columbia District. In 1824, he explored the Finlay River and its tributaries in present-day north-central British Columbia, including the Muskwa, Omineca and Stikine for the HBC, his journals later published by the Hudson's Bay Record Society in 1955.
The Tatlatui Range is a large and very alpine mountain range on the east flank of the upper Skeena River in northern British Columbia, Canada. It has an area of 2307 km2 and is a subrange of the Omineca Mountains which in turn form part of the Interior Mountains. The range features several lakes, the largest of which, Thutade Lake, is at the head of the Finlay River, and is considered the ultimate source of the Mackenzie River. Tatlatui Lake, the next largest lake in the range, to the northwest of Thutade Lake, is at the head of the Firesteel River, a tributary of the Finlay. Various summits of the range, which as described separates the Pacific and Arctic drainages, form part of the Continental Divide. Most of the range and its lakes are in Tatlatui Provincial Park.
The Continental Divide is the principal, and largely mountainous, hydrological divide of the Americas. The Continental Divide extends from the Bering Strait to the Strait of Magellan, and separates the watersheds that drain into the Pacific Ocean from those river systems that drain into the Atlantic Ocean and, along the northernmost reaches of the Divide, those river systems that drain into the Arctic Ocean.
The Peace River 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.
Williston Lake is a reservoir created by the W. A. C. Bennett Dam and is located in the Northern Interior of British Columbia, Canada.
The Rocky Mountain Trench, also known as The Valley of a Thousand Peaks or simply the Trench, is a large valley on the western side of the northern part of North America's Rocky Mountains. The Trench is both visually and cartographically a striking physiographic feature extending approximately 1,600 km (1,000 mi) from Flathead Lake, Montana to the Liard River, just south of the British Columbia-Yukon border near Watson Lake, Yukon. The trench bottom is 3-16 km wide and ranges from 600-900 metres above sea level. The general orientation of the Trench is an almost uniform 150/330 degree geographic north vector and has become convenient as a visual guide for aviators heading north or south.
The Finlay River is a 402 km long river in north-central British Columbia flowing north and thence south from Thutade Lake in the Omineca Mountains to Williston Lake, the impounded waters of the Peace River formed by the completion of the W.A.C. Bennett Dam in 1968. Prior to this, the Finlay joined with the Parsnip River to form the Peace. The headwaters of the Finlay at Thutade Lake are considered the ultimate source of the Mackenzie River. Deserters Canyon is located just north of Williston Lake.
Fort Ware, is now the former name of the community of Kwadacha. Referred to by locals simply as Ware it is an aboriginal community in northern British Columbia, Canada, located in the Rocky Mountain Trench at the confluence of the Finlay, Kwadacha and Fox Rivers, in the Rocky Mountain Trench upstream from the end of the Finlay Reach of Williston Lake. According to the Natural Resources Canada website, the population of Fort Ware is 350. Fort Ware is in the federal electoral riding of Prince George-Peace River.
Tatlatui Provincial Park is a provincial park in British Columbia, Canada, located at the southern end of the Spatsizi Plateau and around the headwaters of the Firesteel River, part of the Finlay-Peace River basin and therefore in the Arctic drainage. Thutade Lake, at the head of the Firesteel and to the southeast of the park, is considered the ultimate source of the Mackenzie River.
The Kemess Mine was an open-pit copper and gold mine, located just northeast of the foot of Thutade Lake, at the head of the Finlay River, in the Omineca Mountains of the Northern Interior of British Columbia, Canada. It was operated by Royal Oak Mines from 1998 to 1999, when it was bought by Northgate Minerals. Northgate operated the mine until its closure in 2011; that year Northgate was taken over by AuRico Gold. In 2014 AuRico Gold partitioned off its portion of Kemess Mine ownership creating a new company called AuRico Metals.
The Hogem Ranges are a group of mountain ranges in the northwest part of the Omineca Country of the North-Central Interior of British Columbia, Canada, located between Takla Lake (W) and the Omineca River (E) and from the Nation Lakes (SE) to the Sustut River (NW). The ranges have a collective area of 8868 km2 and is a subgrouping of the Omineca Mountains which in turn form part of the Interior Mountains.
The Metsantan Range are a mountain range between the upper Stikine and the Finlay River drainages in northern British Columbia, Canada. It has an area of 1116 km2 and is a subrange of the Omineca Mountains which in turn form part of the Interior Mountains.
The Fishing Range is a subrange of the Swannell Ranges of the Omineca Mountains, located on the east side of Fishing Lakes and on the upper Finlay River in northern British Columbia, Canada.
Tatlatui Lake is a lake in the Tatlatui Range of the Omineca Mountains of the Northern Interior of British Columbia, Canada. It is the source of the Firesteel River, the uppermost left tributary of the Finlay River, which begins just southeast at Thutade Lake, which is considered the ultimate source of the Mackenzie River. The lake and adjoining summits are part of Tatlatui Provincial Park.
Cascadero Falls is a waterfall on the Finlay River in the Northern Interior of British Columbia, Canada, located just below that river's head at the outlet of Thutade Lake. The height of the falls is 180 ft and below it there are numerous cascades or rapids in a twisting course prior to the river's general northeastward trend from this area. The falls are slated for hydroelectric development in connection with the area's mines, the largest of which is the Kemess Mine owned by Northgate Minerals Inc., located just east of the foot of Thutade Lake in the valley of Kemess Creek.
Metsantan Pass, 1270 m (4167 ft), is a mountain pass in the Metsantan Range of the Omineca Mountains in the Northern Interior of British Columbia, Canada. It is located between Metsantan Lake, in the drainage basin of the Stikine River (NW) and the headwaters of the Toodoggone River (SE), a tributary of the Finlay River which is part of the Peace-Mackenzie River drainage area, and therefore is located along the Continental Divide.
Vital Creek is a creek located in the Omineca Country region of British Columbia, flowing eastward from its source in the Vital Range to meet Silver Creek, joining that creek from the west about 5 miles from its mouth into the Omineca River, about 41 km northeast of Takla Landing.
Duncan Lake – known as Amazay Lake in Sekani– is a natural 6 km (3.7 mi)-long wilderness fish-bearing lake with rainbow trout and whitefish populations, located at the headwaters of the Findlay watershed. in the Omineca Mountains of the Northern Interior of British Columbia, Canada. The Finlay River
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