Hollow Knight is full of hidden secrets, and some of the most mysterious discoveries in the game lie in hidden rooms tucked away in the depths of Hallownest. Whether it’s secret lore, massive Geo deposits, or backer Easter eggs, there’s always something new to uncover.

This guide will take you through some of the most interesting hidden rooms in Hollow Knight, along with how to access them and what you’ll find inside.

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1. The Easiest Secret Room (Dirtmouth Area)

✔ Location: Near the start of the game
✔ What’s Inside? Wanderer’s Journal (200 Geo)

Right at the beginning of the game, there’s an easy-to-miss secret that many players overlook.

How to Find It:

1. Head left from the main path in Dirtmouth.
2. Wall-jump up into a hidden area.
3. Collect a Wanderer’s Journal (which you can sell to Lemm for 200 Geo).

✔ Why It’s Cool:

• It’s one of the earliest secrets in the game, yet many players never notice it.
• It rewards exploration even before you have major movement abilities.

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2. The Mysterious Room Inside Grimm’s Tent

✔ Location: Grimm’s Tent, Dirtmouth
✔ What’s Inside? Weird Face Masks & Possible Puppets

Hidden within Grimm’s Tent is a secret room that raises more questions than answers.

How to Find It:

1. Enter the Grimm Troupe Tent after summoning the Troupe.
2. Pass the first and second columns inside.
3. Jump into the hidden hole in the ceiling.

✔ What’s Inside?

• A strange room filled with face masks and mysterious figures.
• Possibly Grimm’s discarded puppets or past vessels used in the Troupe’s rituals.

✔ Why It’s Cool:

• It’s completely hidden with no gameplay relevance, purely a lore mystery.
• Adds to the mystique of the Grimm Troupe—what exactly is Grimm doing with these masks?

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3. The Massive Geo Cache (Kingdom’s Edge)

✔ Location: Kingdom’s Edge, beneath Oro’s hut
✔ What’s Inside? The largest single Geo deposit in the game

One of the biggest hidden rewards in Hollow Knight is a massive pile of Geo, tucked away in Kingdom’s Edge.

How to Find It:

1. Head to Kingdom’s Edge, near Oro’s hut.
2. Find the breakable floor and drop down.
3. Continue breaking floors with Desolate Dive or Descending Dark.
4. Equip the Spore Shroom charm—it reveals the hidden passage to the Geo stash.

✔ Why It’s Cool:

• Massive Geo reward, useful for buying charms and upgrades.
• The Spore Shroom requirement makes it a hidden puzzle.

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4. The Shrine of Believers (Backer Easter Egg Room)

✔ Location: Resting Grounds, behind a waterfall
✔ What’s Inside? A secret room dedicated to Hollow Knight’s Kickstarter backers

A hidden tribute to the original Kickstarter backers of Hollow Knight, this secret shrine is a must-see for fans of the game.

How to Find It:

1. Collect 200 Essence to unlock the door in Resting Grounds.
2. Enter the unlocked area and head to the far right.
3. Jump into the waterfall—there’s a hidden passage inside.
4. Use the Dream Nail while standing at the edge of the waterfall.

✔ What’s Inside?

• The Shrine of Believers, featuring names and messages from backers who supported the game.
• A lore-friendly in-game tribute, giving thanks to the fans who helped make Hollow Knight possible.

✔ Why It’s Cool:

• One of the few backer Easter eggs that made it into the final game.
• A permanent mark left by early supporters, hidden in the dream world.

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5. The Secret Behind Willoh’s Meal (Queen’s Station)

✔ Location: Queen’s Station, near Willoh
✔ What’s Inside? A disturbing realization about what she’s eating

Most players talk to Willoh, the NPC sitting in Queen’s Station, but few realize you can actually see what she’s eating.

How to Find It:

1. Go to Queen’s Station (where Willoh is hanging from the ceiling).
2. Climb up above her using wall jumps.
3. Drop into the small ledge above to see her plate.

✔ What’s Inside?

• The remains of dead bugs and mushrooms—implying she’s been eating corpses.
• Willoh’s dialogue suggests she prefers certain creatures over others.

✔ Why It’s Cool:

• A dark and unsettling detail that makes you question what’s really going on in Hallownest.
• Another example of Hollow Knight’s hidden storytelling.

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6. The Hidden Weaver’s Lore Room (Deepnest – Weaver’s Den)

✔ Location: Deepnest, below the Failed Tramway
✔ What’s Inside? Weaver’s Song charm & mysterious lore

Deep in Deepnest, there’s a hidden chamber filled with ancient weaver history, including one of the game’s most unique charms.

How to Find It:

1. Head to Deepnest, below the Failed Tramway.
2. Find the grub near the bottom and drop through a hidden wall.
3. Enter Weaver’s Den, the home of the ancient Weavers.
4. Break the hidden wall to the left to reach a lore-filled secret room.

✔ What’s Inside?

• Weaver’s Song Charm → Summons tiny weaverlings that fight alongside you.
• A mysterious drawing that may depict Hornet, the Pale King, or the Weavers themselves.

✔ Why It’s Cool:

• One of the best hidden lore rooms in the game.
• Suggests a deeper connection between Hornet, the Weavers, and the Pale King.

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Final Thoughts: Discovering Hidden Secrets in Hollow Knight

Hollow Knight is a game filled with secrets, and even after hundreds of hours, players are still discovering new ones. Here’s a quick summary of the best hidden rooms:

✅ Easiest Secret Room: Wanderer’s Journal in Dirtmouth.
✅ Most Mysterious: Grimm’s Tent hidden chamber (possible puppet workshop).
✅ Biggest Reward: Kingdom’s Edge massive Geo deposit.
✅ Coolest Easter Egg: Shrine of Believers (Kickstarter backer room).
✅ Creepiest Secret: Willoh’s meal in Queen’s Station.
✅ Best Lore Room: Weaver’s Den hidden wall.

Whether you’re looking for lore, Geo, or just cool hidden details, these rooms add depth to the world of Hallownestand make exploration even more rewarding.

Now the real question is: how many of these secrets have YOU found?