Situated in Lake Louise (about a 35-mile drive northwest of Banff), Post Hotel & Spa woos its guests with rustic luxury. This Relais & Châteaux hotel's accommodations range from cozy guest rooms ...

and ice fields of Banff National Park. The now-iconic castle hotel in the heart of Canada’s first — and most popular — national park opened as a Canadian Pacific Railway hotel in 1888.

Here's a closer look at the four hotels now awarded the One Key status: Fairmont Chateau Lake Louise, Post Hotel & Spa, Fairmont Banff Springs ... the natural beauty of Canada.