I agree with George. I find I get turned-around (not lost, just misplaced) more when I'm in flatter heavily wooded country than I ever do when I'm covering lots of miles in the mountains around where I live in Montana. With my topo map, I can generally locate peaks, creek junctions, trail intersections, etc. I usually have my GPS with my pickup or camp marked. I find it fun to see how far I am away when I sit down for lunch, or if I find a wallow and want to easily locate it in the future, I'll mark it.
As others have said, study maps of the area and learn the proper use of a compass. Then just go have a great time.