Whether you approach this cache from the east or the west, you will understand the title before you get there. It's not on the way to anywhere. You must WANT to find it.
Muggles should not be an issue here unless you go at one o'clock in the morning after a high school event, say.
[Are you sure you want to see this? It's pretty explicit, a real spoiler] Ovfba Ghor va gbc bs byq cbfg va irel pragre bs cubgb nggnpurq ba 1-4-16