“A group of researchers travels to the Swiss Alps to investigate a scientific discovery that could bring the whole of human evolution into question. The trip turns into a nightmare when their minibus crashes to the bottom of a gully. Lost in the midst of the mountains, the group must organize itself to survive. Yet someone, or something, seems to be after them…”
It all sounds a bit Descent with a touch of the Morlocks to me but I do like the tag line. Quiet Earth have more on it and some photos.