A quick park and grab. Easy, but beware of the odd muggle. If you see the "Windpomp" against the wall while stopping for the cache you are at the right place.
Jngpu bhg sbe gur fgvatre bs gur syl. Vg zvtug or jbefr guna gur Clenpnagun (Svergubea) gung lbh jvyy unir gb snpr.