Mountaineering and ski resort in Valais, Switzerland, at the foot of the Matterhorn (7)

I believe the answer is:

zermatt

(Other definitions for zermatt that I've seen before include "Valais ski-resort" , "Matterhorn ski resort" , "Swiss ski resort" , "Swiss skiing resort" , "Alpine ski resort" .)

I've seen this clue in The Mirror.

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