This cache is located right outside the Waterways neighborhood and can be accessed without going through security.
On the way to visit our neighborhood fire department you'll find a tree that used to be two. You'll find this cache in one of the holes around the tree.
Oruvaq gur gerr gung vf zvffvat vgf cnegare. Yrsg fvqr bs gur ebnq, orsber gur Sver Qrcnegzrag.