Jo, this is really outstanding lots of really good things going on.

The forest, is so beautifully done, the shadowing/light especially and the variation in the foliage well done, this immediately caught my eye and is one of the best forest I've seen, however it is a little bit different style than the mountains when zoomed in?

The city icon could have a shadow to blend them into the landscape.
Maybe one or more outer rings on the coastline and then either fade or break them as they go offshore?
You've added a bevel along the river - but at the Delta, maybe that isn't beveled since it would be a very low laying area?
TYPE -Outer glow may be a bit much? I'm not a fan of slanted/angled type, but that a personal issue

Your cliffs at Mardale is really nice, maybe another?
If that a glacier right of Marrair? If so, maybe some snow capped peaks and shadow sides of mountain slopes?

Have some reps