i really like this shot, there is just so much happening (without distracting). i love the river, being used as both a leading line and the subject.
i do however feel that there is one aspect where there is room for improvement: colour. because in this shot, it doesn't really do anything. the water looks great (i would've made it slightly more blueish, but i get the feeling you are more natural in your post-processing). the ground itself however, it's kind of... dull colour wise. a little more saturation. this would also give the entire shot a bit more colour diversity.
though i must say that looking back at this comment, the colour might just be better than i thought, it's just what i felt when i first saw it.