Knocks and responses heard near Muskrat Cove campground, Moraine State Park witnessed in Butler County, Pennsylvania

Open Map

It had to be the summer of 2015, 16 or 17. I was camping with my sons' troop in Moraine State Park in Butler County, PA. I woke up in the middle of the night. I want to say it was around midnight, but cannot be sure. This would have been a Friday night into Saturday morning. I was taken back by how quiet the woods were. Being a seasoned tent camper, this struck me as odd. Our tent was the closest to the shore line, maybe 30 or 40 yards of woods in between us and the shore. The deep woods were on the other side of a trail road from our tent site. Up the shore line I heard what sounded like a tree or rock knock. The knock continued for a little bit and was eventually answered by other tree knocks coming from two distinct locations in the deep woods. The answered calls seemed pretty far in the distance but still auditable. The original knock came from our side of the shore and was closer than the other two. This happened for a little while, the answering calls never changed, but ...