Looks like Lake Powell, where I've spent a lot of time. Depending on time of year, he may have driven into an area, camped for a few days, then found the lake had come up enough to flood his only way out of there. For a huge reservoir, the water level can raise a remarkable amount in a week or so.
2015 Ram 3500 Laramie CTD, 4X4, AISIN, B&W Companion Puck Mount
2016 Heartland Bighorn 3270RS, 1kw solar with Trimetric and dual SC2030, 600 watt and 2k inverters.
