Crossword Genius

Incredible ascent performed having taken wrong direction in park (6,4-5)

Ross

I believe the answer is:

indian rope-trick

I'm a little stuck... Click here to teach me more about this clue!

'incredible ascent performed having' is the definition.
I can't judge whether this defines the answer.

'wrong direction in park' is the wordplay.
'wrong' is an anagram indicator.
'direction'+'in'+'park'='directioninpark'
'directioninpark' with letters rearranged gives 'INDIAN ROPE-TRICK'.

'taken' is the link.

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I've seen this clue in The Times.
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