The most common and most likely answer to this crossword clue is the 7 letter word UPWARDS
I've seen this crossword clue in The Guardian
U
P
W
A
R
D
S
More clues leading to the result UPWARDS
Buddy explains!
The straight part
We know that "Where climbers go" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case where climbers go = upwards.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does UPWARDS mean?
UPWARDS adverb- Towards a higher place; towards what is above.
- To a higher figure or amount.
- Towards something which is higher in order, larger, superior etc.
- Backwards in time, into the past.
- To or into later life.