Stardew Valley - unlocking sewer Stardew Valley

Unlock Hidden Depths: Unveiling the Stardew Valley Sewer Key

Stardew Valley, a beloved role-playing simulation game, offers players a vast world to explore. Among its intriguing areas are the Sewers, a mysterious underground location teeming with secrets and valuable items.

In this article, we will delve into the process of unlocking the Sewers by obtaining the coveted Rusty Key.

How to Unlock the Sewers

Players must first acquire the Rusty Key to gain access to the Sewers. This key serves as the gateway to this hidden underground area. Unlocking the Sewers involves fulfilling certain requirements and triggering specific events.

Acquiring the Rusty Key

1. Trigger the cutscene with Jas and Vincent: Players should head to Cindersap Forest on a Monday, Thursday, or Sunday between 9 AM and 4 PM, on or after the 11th of Spring Year 1. 

A cutscene featuring Jas and Vincent will take place, referencing the existence of the Rusty Key and the Sewers.

Stardew Valley - going to Cindersap Forest

2. Donate 60 different items to the Museum: Begin by visiting Gunther, the curator of Pelican Town’s museum. Gunther accepts valuable items to be donated to the museum. 

By donating a total of 60 unique items, players will initiate the process of obtaining the Rusty Key. Regularly visit the museum and donate items to reach a total of 60 unique artifacts, minerals, and other valuable objects.

Rusty Key Details

1. Obtaining the Rusty Key from Gunther

After fulfilling the donation requirement, players will receive a visit from Gunther at their farm the next morning. 

In a heartwarming cutscene, Gunther expresses gratitude for his contributions to the museum and presents the Rusty Key as a reward.

2. In-game description and location of the key

The Rusty Key can be found in the Wallet, under the Skills tab of the Player’s Menu. This old, weathered key has been in the museum for a long time, hinting at the hidden secrets within the Sewers in Stardew Valley

Stardew Valley - unlocking sewer

3. Locating entrances in Pelican Town or Cindersap Forest

After obtaining the Rusty Key from Gunther, players can locate the entrances to the Sewers in either Pelican Town or Cindersap Forest, granting access to this hidden underground world.

Step-by-Step Guide to Obtaining the Rusty Key

For those seeking a more detailed approach to obtaining the Rusty Key, the following step-by-step guide outlines the necessary tasks:

Talking to Gunther in the Museum

Donation task and introduction to Gunther: Begin by visiting the museum in Pelican Town and interacting with Gunther, who will introduce players to the concept of donating items.

Finding artifacts in outdoor areas

Locating and digging up artifact spots: Explore outdoor areas such as the Mines, the Skull Cavern, and Ginger Island to find artifact spots. Use the hoe tool to dig up artifacts buried in the ground.

Mining for fossils and minerals

Obtaining minerals and gems in the mines: Delve into the Mines and break rocks to uncover valuable minerals and gems. These can be donated to the museum as part of the 60-item requirement.

Stardew Valley - fossilized spine

Exploring the Skull Cavern

Finding minerals, gems, and special items in the Skull Cavern: The Skull Cavern [1], a more challenging mine, offers greater rewards. Search for rare minerals, gems, and special items, which can contribute to reaching the donation goal.

Defeating monsters

Collecting monster loot as artifacts: Engage in combat with monsters throughout Stardew Valley, collecting their loot as potential artifacts to be donated to the museum.

Fishing for treasure chests

Catching treasure chests while fishing: Utilize the fishing skill to catch fish and watch for treasure chests. These chests may contain valuable items that count towards the museum donation task.

Watching the Fortune Teller on TV

Utilizing Luck for increased chances of finding treasures: Check the daily Fortune Teller on the television to assess your Luck level. Higher Luck increases the chances of finding treasures, artifacts, and rare items.

Breaking open bone nodes

Searching for bone nodes at the Ginger Island Dig Site: Visit the Dig Site on Ginger Island and break open bone nodes to obtain skeletal remains. These remains count as artifacts towards the museum donation goal.

Stardew Valley - Ginger Island Dig Site

Opening geodes artifact troves at the Blacksmith

Obtaining geodes artifact troves and unlocking their contents: Occasionally, geodes artifact troves can be obtained through various activities. Take them to the Stardew Valley’s Blacksmith to have them opened, revealing multiple artifacts or gems at once.


Unlocking the Sewers in Stardew Valley by obtaining the Rusty Key opens up a whole new realm of exploration and discovery. The Sewers offer exciting features and valuable rewards from Krobus’ shop and the Statue of Uncertainty to the Mutant Bug Lair and fishing opportunities. 

Embark on this adventure, dive into the depths, and make the most of the hidden treasures that await you in the Sewers of Stardew Valley.

Mathew has nursed a love of video games since childhood. Now, as an adult, he enjoys playing challenging games as much as he enjoys relating with other gamers. Matthew created Hypernia to give gamers like himself accurate and reliable information about games, servers, communication protocols, and much more.

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