Crossword Genius

Mounties plan a descent – that includes waterside walks (10)

Ross

I believe the answer is:

esplanades

'waterside walks' is the definition.

'mounties plan a descent that includes' is the wordplay.
'that includes' indicates a hidden word.
'ESPLANADES' is hidden in the letters of 'mounties plan a descent'.

(Other definitions for esplanades that I've seen before include "go to seaside resorts for such" , "Places to stroll" , "Seafront walks" , "seaside walks" .)

I've seen this clue in The Everyman puzzle in The Observer.
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