The Hunt, Week #1, Clue #2

The Hunt for Katniss EverGnome game, Week #1
(scroll to past blog posts to see the first clue and the 'Games' page to see how the game works)
Clue #2:
She's hiding in the hills and dales of Marlborough, even though, in this book, they are completely flat and as 2-dimensional as she is.