Misty Valley [14, 34] is located in the northwestern corner of Swamp of Sorrows, simply make a left as you come out of Deadwind Pass.
It is home to Tangled Horrors, Swampwalker Elders and Swampwalkers and in the far back of the valley is a cave, where the Mire Lord can be found
This section concerns content exclusive to Cataclysm.
The elementals will be replaced with Misty Grells. The Mire Lord will have left, his cave taken over by the giant panther, Duskfang.