Even if Margot survived the fall, she likely would have succumbed to dehydration. But, there's a recent rainstorm, which meant that she could have survived.
Through breaking news coverage, we see authorities trying to recover Margot's body from the ravine at Barbosa Lake. It doesn't look good — as the newscaster reiterates over and over — we don't know her status as they pull her up from the crane. Emergency services immediately work on her.