The Rainbow Range is a small subrange of the Park Ranges

Park Ranges

The Park Ranges, also known as the Main Ranges, are a group of mountain ranges in the Canadian Rockies of eastern British Columbia and western Alberta, Canada...

 subdivions of the Northern Continental Ranges

Continental Ranges

The Continental Ranges is a name for a major grouping of mountain ranges in the Rocky Mountains located in eastern British Columbia and western Alberta...

 of the Rocky Mountains

Rocky Mountains

The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...

 on the border between Alberta

Alberta

Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...

 and 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...

 in Mount Robson Provincial Park

Mount Robson Provincial Park

Mount Robson Provincial Park is a large provincial park in the Canadian Rockies with an area of 2,249 km². The park is located entirely within British Columbia, bordering Jasper National Park in Alberta. The B.C. legislature created the park in 1913, the same year as the first ascent of Mount...

. It is only about 1900 km² (730 sq mi) in area.

Its highest summit, and the highest in the Canadian Rockies

Canadian Rockies

The Canadian Rockies comprise the Canadian segment of the North American Rocky Mountains range. They are the eastern part of the Canadian Cordillera, extending from the Interior Plains of Alberta to the Rocky Mountain Trench of British Columbia. The southern end borders Idaho and Montana of the USA...

, is Mount Robson

Mount Robson

Mount Robson is the most prominent mountain in North America's Rocky Mountain range; it is also the highest point in the Canadian Rockies. The mountain is located entirely within Mount Robson Provincial Park of British Columbia, and is part of the Rainbow Range. It is commonly thought to be the...

 3959 m (12989 ft), followed by nearby Resplendent Mountain 3408 m (11181 ft) and Mount Kain

Mount Kain

Mount Kain is a mountain located in the Fraser River Valley of Mount Robson Provincial Park, Canada. Mt. Kain was named by J. Monroe Thorington in 1934 after mountain guide Conrad Kain....

2863 m (9393 ft).