Pressing "5" brings up your map/GPS with your location and that of the compound marked. I'm also going to leave a brief walk through here.
- Follow the river to the compound.
- Find the key to the church cellar.
- Reach the watchtower and look for smoke from the mines entrance.
- Explore the mines.
- Escape the mines and follow the cult leader's blood trail.
- Pick the key from his corpse in the swamp.
- Escape the Goreworld.
- Return to the compound and unlock the leader's private room.
- Escape the compound and return to the boat.