Your number 1 directional aid is your brain coupled with your field skills.
Always have a compass (preferably a Silva 15TD), know how to use it properly, know the declination of the area you are in and adjust your compass for it (or know how to do this correct this manually).
A compass doesn't weigh much and it is your most important piece of kit in the bush.
Be aware that after 5 or 10 years of use especially with hard knocks, the needle in your compass will de-magnetize and may become un-reliable. I had an old Silva TD 15CL die on me in the rainforest jungle of Central Panama. I had to deadhead back to my dropoff point for my chopper pickup
Now I replace all of my navigational compasses after 5 seasons.
A 1:50k topo map plus a smaller scale 1:250k map for triangulation is essential.
GPS's are great. I use them all the time. They can run out of batteries, break, get lost, don't work with thick canopy, steep topography or white surfaces nearby (like limestone cliffs - causes signal multiplexing). Don't depend on them 100%.
Know the general direction of the main road/trail/drainage/ridgeline that will take you back to your vehicle/camp/pickup point.
If you know your general position with respect to the main road, you can run a line with your compass at right angles to it and eventually you'll be safely at the road.
Eg. Main road with truck runs NE. I am east of the road. Set compass to a NW bearing and go for it. Easy peasy.
Gatehouse: I have walked a lot of miles in the bush and I got turned around once hunting in NW Ontario just as the sun was going down. It happens. When I realized that I had not hit the trail I expected I sat down for 5 minutes, calmed myself, figured out the bearing I needed to follow and did the old walk perpendicular to the main trail trick and got back to the trail within 45 minutes.
Of course I had my compass, a small flashlight and a space blanket so if worst came to worst I would be OK.