yes I have, the 2 encounters I had with mountain lions. my first time I had one walk under my treestand I wasnt to concerned untill I began thinking about the 3 mile walk back to the truck. My second encounter I believe it was stalking me, while I was out yote hunting. I heard some noises behind me I got an eery feeling I so looked behind me this 150 lbs tom cat was within about 20 yards of me. I stood up quickly began yelling and popping off rounds to scare it away. That was kinda freightning especially when I began thinkin what if he actually was stalking me.