Summer getaway (4)
I believe the answer is:
'summer getaway' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for camp that I've seen before include "Military installation < affected" , "Exaggerated in style for humorous effect - in tent?" , "Bivouac, group of tents" , "Hill fort; extravagantly theatrical" , "David, for instance" .)