Canadian Minister of Heritage Sheila Copps protected the Chateau Lake Louise Hotel in 2001.

Yet Parks Canada, the Ministry of Canadian Heritage, the Ontario provincial government, National Capital Commission and City of Ottawa cannot save the Fairmont Chateau Laurier Hotel.
One of the reasons cited for their hands off policy is the fact that the Chateau is private property. Well the Chateau Lake Louise was privately owned by Canadian Pacific Hotels, a subsidiary of the Canadian Pacific Railway. Then the hotel portfolio became a Fairmont property, owned by people such as Prince al Waleed bin Talal of Saudi Arabia and Carl Icahn.

The following information is from a document called "Lake Louise Community Plan - June 2001".
Built Heritage  Page 5 of 34.
Community plans must address the preservation of priority heritage buildings and ensure that new development is compatible in design and quality with existing neighbourhoods. The following actions will safeguard the area's cultural resources:

• requiring development proposal to include strategies for protecting important built heritage resources.
• enforce architectural, landscape, transportation, parking, sign, and lighting guidelines.

A PLACE OF HISTORICAL AND CULTURAL SIGNIFICANCE

Policy Direction
The Minister of Canadian Heritage has reiterated the need for development to respect the area's culture and history.
Background
Lake Louise has a number of heritage resources that are in need of protection:
1.) The Chateau Lake Louise
2.) The Train Station (note-The Chateau Laurier Hotel is directly across the street from the former Canadian National Railway train station and a tunnel connected the two landmarks. savecfbrockcliffe)
3.) The view of Lake Louise (note- the new addition to the Chateau Laurier will compromise many views. The Remembrance Day Ceremonies at the National War Memorial are televised and the new annex will be a out of place amid the majestic buildings and statues in Confederation Square, including the War Memorial, Parliament Buildings, Conference Centre and Wellington Street government buildings. And visitors to Major's Hill Park will be confronted by an ultra modern design that will hide much of the Chateau, giving tourists the impression that we are trying to hide the original hotel, that we are embarrassed and ashamed of it. The Hotel du Canada is not a maximum security prison-savecfbrockcliffe.)
4.)  The Plain of Six Glaciers.
Guiding Principles
1.)  All development must respect Lake Louise's heritage and the architecture of its historic buildings.

2.)  Parks Canada, residents and visitors share responsibility for safeguarding Lake Louise's heritage.

The 1943 movie "Son of Lassie" was a sequel to "Lassie Come Home." The film was produced in Lake Louise and Peter Lawford portrayed a piano player who was employed by the Chateau Lake Louise.

The Chateau Lake Louise Hotel in Banff Alberta was owned by Canadian Pacific Hotels, a subsidiary of the Canadian Pacific Railway in 1988. The CPR is one of the most powerful companies in Canada. Yet they followed the guidelines set out by the Minister of Canadian Heritage and Parks Canada. The Glacier Wing, second from the right, was built in 1988 and is an exact replica of the original  Lake Louise hotel. Larco and Toronto architect Peter Clewes are showing disrespect for the people of Ottawa; the Historic Sites and Monuments Board and for my country's history. 

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YouTube videos about the Chateau:
Chateau Laurier: Comedian, actor, filmmaker Tom Green reacts to City Council decision.
Tom Green Chateau Laurier.
RMR: Rick at Chateau Laurier.