Was any editing done? Not sure exactly what I would do, but I feel bringing down the black, bumping contrast or saturation a little would bring it to life. Might sharpen the tree line to give a little more detail up there.
Its a really cool picture, I think I would have liked to see a little more of the forest before fully fading. Cant tell if the conditions would have allowed for that though, and you probably would have lost the curves in the bottom.