Tyoax Pass is a mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 in the Chilcotin Ranges

Chilcotin Ranges

The Chilcotin Ranges are a subdivision of the Pacific Ranges of the Coast Mountains . They lie on the inland lea of the Pacific Ranges, abutting the Interior Plateau of British Columbia...

 of the Pacific Ranges

Pacific Ranges

The Pacific Ranges are the southernmost subdivision of the Coast Mountains portion of the Pacific Cordillera. Located entirely within British Columbia, Canada, they run northwest from the lower stretches of the Fraser River to Bella Coola, north of which are the Kitimat Ranges.The Pacific Ranges...

, the southernmost main subdivision of the Coast Mountains

Coast Mountains

The Coast Mountains are a major mountain range, in the Pacific Coast Ranges, of western North America, extending from southwestern Yukon through the Alaska Panhandle and virtually all of the Coast of British Columbia. They are so-named because of their proximity to the sea coast, and are often...

 of British Columbia

British Columbia

British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. Located at the head of Tyaughton Creek

Tyaughton Creek

Tyaughton Creek, formerly gazetted as the Tyaughton River, also historically known as Tyoax Creek, is a 50 kilometre tributary of British Columbia's Bridge River, flowing generally southeast to enter the main flow of that river about mid-way along the length of Carpenter Lake, a reservoir formed by...

, a north tributary of the Bridge River

Bridge River

The Bridge River is, or was, a major tributary of British Columbia's Fraser River, entering that stream about six miles upstream from the town of Lillooet.-Name:Its name in the Lillooet language is Xwisten , sometimes spelled Nxwisten or Nxo-isten)...

, it connects the basin of the Bridge River with that of Big Creek in the southern Chilcotin District

Chilcotin District

The Chilcotin District of British Columbia is usually known simply as "the Chilcotin", and also in speech commonly as "the Chilcotin Country" or simply Chilcotin. It is a plateau and mountain region in British Columbia on the inland lea of the Coast Mountains on the west side of the Fraser River....

, and is therefore at the boundary between the Spruce Lake Protected Area

Spruce Lake Protected Area

The Spruce Lake Protected Area, was a 71,347-hectare Protected Area in the British Columbia provincial parks system 200 km north of Vancouver. The area had been the subject of an ongoing preservationist controversy since the 1930s. Formerly known variously as the Southern Chilcotin Mountains...

 and Big Creek Provincial Park

Big Creek Provincial Park

Big Creek Provincial Park is a provincial park in British Columbia, Canada.It is adjoined on the south by the Spruce Lake Protected Area and on the west by Ts'il?os Provincial Park. Neighbouring on the east is the Churn Creek Protected Area.- References :...

.

Name

"Tyoax", pronounced "TIE-ax" in English, is a variant of "Tyaughton", which is from a Chilcotin language

Chilcotin language

Chilcotin is a Northern Athabaskan language spoken in British Columbia by the Tsilhqot’in people....

 word meaning "jumping fish" and is also the name of Tyaughton Lake

Tyaughton Lake

Tyaughton Lake, also known as Tyoax Lake or Tyax Lake, is a lake in the Bridge River Country of the West-Central Interior of British Columbia, Canada, located to the north of Carpenter Lake, a reservoir along the Bridge River formed by Terzaghi Dam of the Bridge River Power Project...

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