Jefferson park is a great place to be. Enjoy! 
Along the fence, behind a tree, you will see.
SECRET BONUS CACHE:
Title: "Take a rest"
Location:
N 47 18.536
W -122 31.653
Size: 3
Difficulty: 3
Description: "Take a rest" is in Point Defiance park in the Rhododendron garden. A few feet off trail. Beware of muggles!
Hint: If the trail you choose ends up at the zoo, you lose, try again. At the top of the hill you might be out of breath, so why not take a rest? There's a seat waiting for you. You might get STUMPED.