Adam wrote, "Headlamps, yes....."
Excellent! This is good information to include in an article, "we dropped our packs and filled our pockets with essentials and..."
It doesn't take much, but having the basics is critical.
As to bushwhacking, I've only done it truly straight up and down. Hard to get lost that way. Dirty and scratched sometimes. And west side low level Cascade forests can be a thick as any jungle with vine maple, alder, blackberry, devils club, ferns, moss, nettles and lots of mud and running water, not to mention the big trees.
Robe Valley and Stillaguamish River, near Granite Falls, WA.
I've been raised with mountains, streams, and rivers for landmarks. People get lost in river valleys here, but I don't know how. You have up, down, and the water goes down hill. The flatter forests of the Southeast sound like a challenge to me--- easy to walk around in circles.
"I have never been lost, but I will admit to being confused for several weeks."