This is my dad's story and when he told it to me Christmas Eve (yes my weird family shares ghost stories on all major holidays, it is never planned just sort of happens). This story took place in Nephi Canyon and is actually two separate experiences.
One morning while driving through the canyon on his way to fountain green my dad who is of sound mind and doesn't use any sort of psychiatric medications or any drugs that would cause him to hallucinate (just had to get that out of the way) saw a group of three native American warriors on horse back riding a few miles up the mountain away form the road. He said to him it looked like they were out looking for something, maybe on a hunting trip, they were armed with bows and arrows. I think it might even be a residual haunting since my dad said they didn't seem to notice his loud truck driving by or him slowing down so stare at them. He said he watched them for about 2 minutes then they were gone.
That area is famous for having the mountain meadow massacre happen there. You should Google that for the specifics but as far as I can remember from school it was where a group of Mormon pioneers savagely attacked a group of emigrants on their way to California, thinking they were the US army coming to ruin them as a people. Anyways a lot of deaths happened there as well as the murdering of the Native Americans that used to live there. I thought that at one time I read an experience from someone else on here that has seen the native Americana's in Nephi canyon, me and my dad would be very interested to hear from some one else with a similar experience.
The second and most bizarre experience happened to him a few days before Christmas. My father and my step grandpa (his father in law) were driving home through the canyon when my dad noticed a huge dark see through shadow that was bigger than the Durango he was driving pass across the road and through their car actually pushing the car over across the road to the right as it was passing through. After the entity had passed through them my grandpa said whew that was close I thought we were going to go off the road.
In his head my dad was thinking "oh good he saw it as well, I'm not crazy" but then my grandpa said "it's weird though there is no ice and it didn't feel like we were sliding it felt like the car was being pushed. My dad said "didn't you see that huge black thing pass through our car?" My grandfather said no he did not but the way the car had moved was very odd. I would love to be able to give my dad some clue as to what that could have been, please only post helpful comments I don't appreciate any negative comments.