Hike near Spanish city earns squash (7,2)

I believe the answer is:

trample on

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'earns squash' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'hike near spanish city' is the wordplay.
'hike' becomes 'tramp' (tramping is a kind of hiking).
'near' means one lot of letters go next to another.
'spanish city' becomes 'leon' (Leon is a city in Spain).
'tramp'+'leon'='TRAMPLE ON'

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I've seen this clue in the Sydney Morning Herald.

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