Handle left on extremely lofty north Lakeland peak (9)

I believe the answer is:

helvellyn

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

'handle left on extremely lofty north lakeland peak' is the definition.
The definition suggests a singular noun which matches the answer.

'handle left on extremely lofty north lakeland peak' is the wordplay.
'handle left' becomes 'helve' (helve is a kind of handle. I am not sure about the 'left' bit.).
'on' means one lot of letters go next to another.
'extremely' says to hollow out the word (remove centre letters) (only the extremes of the word are used).
'north' becomes 'N' (synonyms).
'peak' suggests taking the first letters (in a down clue, peak could mean the top letter).
'lofty' with its middle taken out is 'ly'.
The first letter of 'lakeland' is 'l'.
'ly'+'n'='lyn'
'lyn' after 'l' is 'llyn'.
'helve'+'llyn'='HELVELLYN'

Can you help me to learn more?

(Another definition for helvellyn that I've seen is " Mountain in the Lake District".)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.