Crossword Genius

Going up a trail (6)

Ross

I believe the answer is:

ascent

'going up' is the definition.
(ascending means going up)

'a trail' is the wordplay.
'trail' becomes 'scent' (an animal's trail is its scent).
'a'+'scent'='ASCENT'

(Other definitions for ascent that I've seen before include "made by Hilary and Tenzing" , "Alpine expedition" , "Act of moving upwards" , "Upward slope" , "Maybe promotion" .)

I've seen this clue in The Irish News.
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