I took lots of photos of course and will post some in sequence. Firstly the bunkers on the Lettenberg - these were British command and first aid bunkers from 1917 at a point that was then well behind the lines. From the top of the Lettenberg (which didn't have trees then!) the view over the Salient is amazing - you can see all the way to Diksmude in one direction and Passchendaele in the other.
Here's some pictures of the bunkers:
And here's the view of Kemmel from the top of the Lettenberg;