Filth Hollow is the name of one of the mutie nests in RAGE 2. This nest is located in the northern part of Sekreto Wetlands location.
To get to this location you need to enter the pipe, located on the hillside. This place is shown in the screenshot above.
Remember that your goal is to kill Smeggo the Vile. However on your way there will be hordes of mutants. Kill them so they won't disturb you during the main fight.
In this location you will find 2 storage containers and 2 ark chests. Look carefully to collect all the items. These will help you expand your inventory.
To get to Smeggo the Vile follow straight along the canals. On the way, defeat hordes of mutants.
Before entering the boss you need to unscrew the hatch, it is very visible, as it has a purple color.
When you meet your opponent, be sure to shoot him right in the chest. Thus, you will always hit the target, and in addition, cause him a lot of damage.
Your opponent will constantly throw various objects at you. Try to avoid his blows to win the battle.