### Clue: Piece of camping equipment found by river that's not initially recognised by girl (4,3)
### Answer: TENT PEG 
 ### Explanation: Definition: Piece of camping equipment
 "Trent"(a river in the Midlands region of England) **minus its 1st letter**(that's not initially) "recognised" **plus**(by) PEG(a girl's name).