As Accord said, try the gates first.
If it is still grey, then go to the D'Arnise keep and then jump to Umar Hills.
There are times you have to take little leaps to get around, but after you get a lot of the map showing, you won't have to.
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Defender for the Light -
Goodness knows there is a lot of Dark out there!! - Where are my matches?
Wandering Joke of the Laughing Hyenas