Agreed with the others about more variety being nice, but the repetition did lead to a good anticipation for the strings to come in, which added a slightly different rhythm and feel that was sort of eerie which I quite liked.

I also really like the ending, but I do think that if you had ended it just little earlier (~3:25) on the home note it might have felt more satisfying. But as it is it leaves it a bit more eerie, which is nice as well for the theme

Like Warlick mentioned, some more variation to the repeating parts would help a lot to make this feel less repetitive after a while, but other than that I like the vibe a lot!

I think your use of piano and synths really bring out the misty vibes of the painting, as well as the idea of mountain spirits you mentioned in the description. This is a very calm piece for the most part -- the staccato strings add just enough energy to keep things interest, but it started to become a little stale after about 2 minutes. I would have loved to hear another melody or some new interesting harmonic stuff at some point in the piece. I hope this feedback isn't discouraging though, because I really like the mood and tone of your piece, and I think you did the theme justice!

Very subtle and minimal vibes :)