Before you decide it's over-sharpened, check the grasses and the leaves.
It certainly looks oversharpened, at first glance and on my monitor, or at least faintly displeasing in a way which I am inclined to attribute to oversharpening. Then I download it and check the grasses and leaves, and find no evidence of oversharpening, and look at the metadata, and find it to have been taken with a D800 and not a cell phone so eliminate one possible explanation. Then I look at it again, and it still looks faintly displeasing in the same way. I conclude that I must be missing something, possibly the bleeding obvious, and go on with the question not to attack your image, which is a nice find, but because I remember that some of my shots have looked oversharpened without being so in the same way.
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Modified: Is it a problem with textured rock? Mine were maybe also images of rocks. I can't find one.