Baldur's Gate 3 (BG3)

Overgrown Tunnel Map and Points of Interest

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In Baldur's Gate 3 (BG3), the Overgrown Tunnel is the dungeon underneath Putrid Bog where you'll be able to find and battle Auntie Ethel. Read on to view the map of the Overgrown Tunnel, and to find out all the locations and points of interest in the area.

Overgrown Tunnel Map

Overgrown Tunnel Full Map

The Overgrown Tunnel is the dungeon where Auntie Ethel retreats into after confronting her in her teahouse in the Putrid Bog. It can be reached by going through the Fireplace and going down the Wooden Stairs in the Teahouse.

Auntie Ethel Quest Guide

Overgrown Tunnel Locations

Entrance Gallery Ancient Abode
Acrid Workshop

Entrance Gallery

Entrance Gallery
Coordinates: (-300, 599)

Upon entering the Overgrown Tunnel, you'll be arrive at the Entrance Gallery. There are bunch of cursed creatures and items in this room, which will have different interactions after you defeat Auntie Ethel.

Ancient Abode

Ancient Abode
Coordinates: (-406, 566)

After getting past the enemies and traps in the Overgrown Tunnel, you'll arrive at the Ancient Abode area, finding Auntie Ethel and Mayrina. This area will be your battlefield with Auntie Ethel.

Acrid Workshop

Acrid Workshop
Coordinates: (-417, 603)

At the back of the Ancient Abode is the Acrid Workshop. There are a lot of potions, ingredients, and valuables in the area. There is a Mushroom Circle here that serves at the dungeon's exit back to the Putrid Bog.

Overgrown Tunnel Points of Interest

Overgrown Tunnel Points of Interest


Auntie Ethel

Auntie Ethel
Coordinates: (-406, 566)

Auntie Ethel, the hag that kidnapped Mayrina, is the main point of interest in this area, located in the Ancient Abode area deep in the dungeon. She'll fight you immediately when you reach that area.

After almost killing her, you'll be given a few different options. Some choices will give you Auntie Ethel's Hair, an item that permanently increases your Ability Score by 1. If you choose to kill her, youll be able to obtain a lot of potions, equipment, scrolls, and gold from her body.
How to Beat Auntie Ethel

Entrances

Gnarled Door (Entrance Gallery)

Gnarled Door (Entrance Gallery)
Coordinates: (-308, 504)

In the Entrance Gallery area, you'll find a Gnarled Door blocking the way. When you approach it, it will start a conversation trying to do its best to make you turn back.

It doesn't matter what your choices are; there are a couple of rolls but it doesn't matter if you pass them or not. To go through the door, simply walk across it (instead of clicking the door, you'll need to click on the ground at the other side of the door).

Gnarled Door (Middle of Overgrown Tunnel)

Gnarled Door (Middle of Overgrown Tunnel)
Coordinates: (-352, 581)

You'll find a similar looking Gnarled Door way past the first one, past the enemies and traps; unlike the first Gnarled Door, you can't simply walk through this one. To go through this door, one of your party members will need to equip a Whispering Mask. There are a few of them on the table before the first Gnarled Door, but the masked enemies you have passed by (and likely fought) will have them too.

How to Prevent the Whispering Mask Curse

Note that the Whispering Mask has an effect that has the equipped character do a roll every few seconds; if the roll succeeds, that character will turn against your party! You'll be unable to undo this effect it until you've downed that party member.

To prevent this, deal with Auntie Ethel first before wearing the mask; the curse won't activate after she's been dealt with. You can also quickly remove the mask after passing through the door.

Mushroom Circle: Underdark Entrance

Mushroom Circle: Underdark Entrance
Coordinates: (-358, 599)

Past the Gnarled Door that needs a Whispering Mask, further north, you'll find a Mushroom Circle. This is one of the entrances to the Underdark area.

How to Get to the Underdark

Mushroom Circle: Workshop Exit

Mushroom Circle: Workshop Exit
Coordinates: (-412, 613)

At the back of the Acrid Workshop area, you'll find a Mushroom Circle. This is a portal back to the Putrid Bog, in the coast south of the teahouse.

Valuables

Bitter Divorce

Bitter Divorce
Coordinates: (-416, 605)

A wand located on a table at the Acrid Workshop, the Bitter Divorce is important in Mayrina's questline, if you chose to save her. You'll find Mayrina on the Putrid Bog beach, just near the Mushroom Circle exit in the workshop.
How to Save Mayrina

The Ever-Seeing Eye

The Ever-Seeing Eye
Coordinates: (-417, 605)

The Ever-Seeing Eye is an amulet located on a table at the Acrid Workshop. It allows the user to cast the Protection from Evil and Good spell.
Protection from Evil and Good Spell Effects

Staff of Crones

Staff of Crones
Coordinates: (-413, 607)

The Staff of Crones is a quarterstaff standing on the Acrid Workshop. It allows the use of the Ray of Sickness spell.
Staff of Crones Weapon Guide and How to Get

Baldur's Gate 3 Related Guides

Baldur
Faerûn All Maps and Locations

Faerûn All Locations

Prologue Locations
Nautiloid
Act 1 Locations
Wilderness Chapel Ruins
Emerald Grove Owlbear Nest
Blighted Village Whispering Depths
Putrid Bog (Sunlit Wetlands) Overgrown Tunnel
The Risen Road Zhentarim Basement
Goblin Camp Mountain Pass: Rosymorn Monastery
Creche Y'llek Underdark
Arcane Tower Grymforge
Act 2 Locations
Shadow-Cursed Lands Reithwin Town

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