Zen is influenced by Daoism, which is not so much a nature-religion in the animistic sense as a nature-philosophy in a cosmic sense.
Quentin S. CrispI went on a meditation retreat. In 10 or so days, I spent about a hundred hours meditating, observing 'noble silence' the whole time, and so on. This was an interesting experience, which has had some beneficial effects for me.
Quentin S. Crisp