Sweet, rich, and unique in smell, can be used to add flavor to Foods and materials.
Cinnamon can be gathered at the top of both sides of the waterfall (by WOW Industries). The appropriate tree is large with yellow flowers.
In winter the flowers can't be seen, but the trees still give cinnamon. Look for a tree that has longish oval leaves, typically a stump of a cut branch or two near the ground, and the cinnamon tree does not give you the option to 'kick' when you approach it.