Heading for Dales, late hike turned deadly (9)

I believe the answer is:

deathlike

'deadly' is the definition.
(thesaurus)

'heading for dales late hike turned' is the wordplay.
'heading for' suggests taking the first letters.
'turned' indicates anagramming the letters.
The first letter of 'dales' is 'd'.
'late'+'hike'='latehike'
'latehike' is an anagram of 'eathlike'.
'd'+'eathlike'='DEATHLIKE'

I've seen this clue in The Independent.

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