One of my favoured local woodlands, just a few minutes’ drive from home, is Dunning Glen. Starting from the village, stroll up the road, round the corner and through the small doorway into the woods where trees and rivers play.
There are some steep bits, but plenty of the oak trees in particular have a gnarly character.
Herewith, some photos:
Appreciating shape and form: strong lines of an oak tree. 
Appreciating shape and form: a large oak tree standing amidst a sea of green grass and bracken. 
Appreciating shape and form: a dead branch 
Appreciating shape and form: the base of a split oak tree in a sea of green grass, white daisies and purple blebells. 
Appreciating shape and form: a split (coppiced?) oak tree. 
Appreciating shape and form: strong lines of an oak tree
My favourite from this particular afternoon was this oak – some of its branches having rotted and fallen off:
The latter is available as prints, cards, masks and other products, via my main website: there is a pleasure in the pathless woods.