What does the cryptic crossword clue "A group of Mounties plan a demanding walk (9)" mean?

The definition is "walk". The wordplay uses a hidden word. Hidden in (‘a group of’) mountiES PLAN A DEmanding The answer is ESPLANADE.

A group of Mounties plan a demanding walk (9)

Independent Cryptic #11669 | 20 Across | 2024-03-05 flower