Each will surmount small incline in part of London? (4,3)

I believe the answer is:

east end

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'part of london?' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for east end that I've seen before include "London region associated with Cockneys" , "where plates are for standing on?" , "London Cockney area" , "Bow" , "part of the capital" .)

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