I'm gonna
1. Trust that I put hog dogs on the ground and say a lil hail Mary mother of grace for them.
2. Ease on in there to them
3. Catch the hog
4. Go buy a good horse and start hunting off it.
Your hypothetical situation actually describes every property I've ever hunted. Down here on the cancer coast the woods are thick and thorny. I've hunted from a truck or walk hunted my whole hunting career but Cward's advice has finally got the better of me and I'll be in the market for a good hog broke horse soon.