a guy travels across the Rayton Canyon at night and finally encounters the creature. He even ends up killing him and going close to the beast to inspect.awesome video is really interesting to watch.
GTA V | Finding Big Foot in the woods in Raton Canyon | 4K Res
The location in Raton Canyon north west of the map, you need the thermal scope to be able to find him, keep looking around that area at midnight and he will be hiding somewhere behind tree or something.
Remember.. You won't be able to find him without the thermal scope!