For all DMs/Gms how would you handle getting lost on a battle map in FGU?

[alloowishus]

I have a large wildnerness map and I am trying to figure out how I can simulate players getting lost. I am using masking and reveal as they travel. What I would like is that the characters think they are one place, but are really somewhere else, and how to keep track of both. Any ideas?

[Trenloe]

I'd just move the party token (or whatever you're using to show location on the wilderness map) to where they think they are on the map. Then, either have a hidden token on the map to show you where the party actually is, or have a GM only map where you track their actual location.

For example, using two tokens for (P)arty location - the hidden token is the actual location: