Killer whale in pond

Date: 12/27/2016

I was with a few people that I can't remember who but we were ditching school. and right when we left the school we entered some path into a forest. it led to some shallow looking pond. I saw some major movement in the water and it turned out to be a killer whale. I was super confused because I thought this pond was shallow but apparently it's deep as an ocean. for some reason I went along this fence and into another place that looked completely different. i was hopping from log to log and I used these chains connected to the logs (kinda like a play ground) to swing myself over to the next. it was terrifying because I had the idea that if I fall the killer whale will eat me.