articleThe Brief Four hikers had to be rescued from a trail after taking psychedelic mushrooms. The group had ingested psychedelic mushrooms, and one of them was experiencing a debilitating high, according to the NYS Department of Environmental Conservation. In May, two hikers who had taken psychedelic mushrooms mistakenly reported to authorities that a member of their party had died in the Adirondack Mountains. What are psychedelic mushrooms? In New York, it is illegal to possess, sell or cultivate psychedelic mushrooms.