Oh no! The garden gnomes have taken over Linwood park! If you want to find the invaders you need to solve one of two puzzles.
The first puzzle: Garden gnomes love sudoku so they share eachothers location using it. We have found one of the sudoku puzzles:
The second puzzle: The garden gnomes have left clues starting from the posted coordnets or, the first tree. This puzzle is if you cannot do the first puzzle but, it is less fun.
Every part of this cache is in Linwood park.