I usually don't have too much trouble staying found during times of high visability. I've spent a lot of time hunting in the mountains of the west. My difficult times come at night in the darkness, or in snow storms where visability is limited when I'm in new areas.
There has been a couple of times when I just had to trust the horse to find our way back to the trailer. I wasn't too concerned about getting lost. I always knew I could find my way home in the dayight the next day. But rather I was more concerned about having to spend a night on the mountain with out a tent or sleeping bag. Or getting slapped in the face with a tree branch in the dark.
I spend a lot of time teaching my daughters during rides to observe the trail. We play the game of "What if I got hurt and you had to go for help" Could you find your way back to the truck? A few years ago, I ran across a couple from MN or MI who were out to Utah to hunt Elk. It was getting late in the afternoon, their horses, not being used to the altitude and work of the mountains, were tired, They wanted to know the quickest route back to their camp. I asked them where they were camped at. I told them to follow me. I lead them down another trail for 2-3 miles until I needed to turn off for my own camp. The folks were nervous about how to continue the last couple of miles back to camp. I told them to just keep following the trail marks that we had been following. They gasped, what trail markers. I asked if they had not been seeing the markers as we passed them. I had to give them a crash course in back country trail markers. Tree blazes, rock cairns etc. They had the easy route, I had to bushwack over several ridges to find my way back to camp.