I was watching the episode, “Through the Looking Glass” last night, and noticed that when Ben and Alex were hiking to intercept the survivors, who were on their way to the radio tower, Ben tells Alex that they need to head north to reach the tower. This makes about as much sense as his upside-down map from the same episode.

Given what we know about locations on The Island, and that the Others’ main area of operation is in the northern area of The Island, Ben and Alex would’ve certainly been hiking south to reach the radio tower.