Answer the following question: Information:  - The Bishorn (4,153 m) is a mountain in the Pennine Alps in Switzerland, just north of the Weisshorn.  - Switzerland, officially the Swiss Confederation, is a federal republic in Europe. It consists of 26 cantons, and the city of Bern is the seat of the federal authorities.  The country is situated in Western-Central Europe, and is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland is a landlocked country geographically divided between the Alps, the Swiss Plateau and the Jura, spanning an area of . While the Alps occupy the greater part of the territory, the Swiss population of approximately eight million people is concentrated mostly on the plateau, where the largest cities are to be found: among them are the two global cities and economic centres Zürich and Geneva.  - The Weisshorn (German, lit. "white peak/mountain") is a major peak of the Alps and Switzerland, culminating at above sea level. It is part of the Pennine Alps and is located between the valleys of Anniviers and Zermatt in the canton of Valais. In the latter valley, the Weisshorn is one of the many 4000ers surrounding Zermatt, with Monte Rosa and the Matterhorn.  - A mountain is a large landform that stretches above the surrounding land in a limited area, usually in the form of a peak. A mountain is generally steeper than a hill. Mountains are formed through tectonic forces or volcanism. These forces can locally raise the surface of the earth. Mountains erode slowly through the action of rivers, weather conditions, and glaciers. A few mountains are isolated summits, but most occur in huge mountain ranges.  - The Pointe Burnaby is a minor summit north - east of Bishorn . Because of its small prominence it was included in the enlarged list of alpine four - thousanders .    Given the information above, choose from the list below the object entity that exhibits the relation 'located in the administrative territorial entity' with the subject 'pointe burnaby'.  Choices: - anniviers  - bern  - canton of valais  - earth  - france  - geneva  - hill  - jura  - mountain  - north  - of  - south  - switzerland  - zürich
Answer:
canton of valais