I spend a lot of time in various national forests etc. There is more observation by the various staff then one would suppose. Not overt, just good work on their part. If a vehicle stays in one place long enough, it will be noticed. Either by roving patrol or airborne.

My plan, even though I have good equipment and skills, is to stay with the vehicle. Do things to make it observable and wait it out.

Usually after the first 8 or 10 days, a ranger, warden or whatever just "happens" to wander by.

Nomad