unknown mountains on postage stamps
„The Solemn Land“, artwork by J. E. H. MacDonald (1873-1932)
Autumn scene on the Montreal River in Ontario's Algoma region.
Canada 1967, "Alaska Highway", artwork by A.Y. Jackson. It begins at the junction with several Canadian highways in Dawson Creek, B.C., and runs to Delta Junction, Alaska, via Whitehorse, Yukon.
Canada 1974 (?)
Alta, Alberta, viewpoint unknown.
Bhutan 1987, "Capex 87".
Unknown summit in the Canadian Rockies.
Canada 2011, "Methods of Mail Delivery".
Canada 2017, Trans Canada Highway.
The stamp was issued in the series "150th year since Confederation".
The image shows a Trans Canada Highway sign east of Canadian Rockies in Alberta province. It is a view towards west, exactly viewpoint is not known.
The original photograph you can see on the on the website of thecanadianencyclopedia.ca (link).