Location of Elven Underground

[Helios]

I've played this game a bunch of times, but only discovered the Elven Underground, an area I've never seen before since I didn't tilt the camera in the correct direction. The entrance to it is on an island in the north ocean of the Valley of 10,000 Rivers. I can't believe I've never found it before this.

[Fatt_Shade]

Good for you :-)
But it`s not much important location, because there are no quests connected with it. Only couple of fights, for some exp that`s it.