Heart of the Mountain, Sydney's immersive adventure experience

The mountain needs you. Alice needs you.

In 1957, renowned conservationist Alice Ivy and her team ventured deep into the wilds in search of an energy source powerful enough to change the world.

She never came back.

Adventurers holding glowing crystals inside Heart of the Mountain, Marrickville

australiaN-first
adventure experience

Will you answer the call?

Answer the call: 3 to 8 players, up to 80 minutes, ages 16+

Like nothing you’ve
experienced before.

Be the hero of your own live-action adventure. Journey deep into the unknown and work together to uncover the secrets of the mountain.

book now

What if my grandmother is still alive?

“I know it might sound crazy, but that’s why I need your help. All I’m asking is that you hear me out.”

read hazel's story

Hazel Ivy, granddaughter of lost conservationist Alice Ivy

Lose yourself in ingenious puzzle spaces, each more remarkable than the last.

Glowing crystal deep inside Heart of the Mountain

Inside the Heart of the Mountain adventure experience in Marrickville

Atmospheric lighting and effects inside Heart of the Mountain

Immersive environment inside Heart of the Mountain, Marrickville

Water feature inside the mountain at Heart of the Mountain

Australian-made set design at Heart of the Mountain, Sydney

Adventure journey through Heart of the Mountain, Marrickville

Adventurer Reviews

Only a few have uncovered the truth...

"Such a standout experience! The set design and attention to detail were incredible, from top to bottom it genuinely felt like we were inside a mountain. It felt more like an adventure than a traditional escape room, and that's what made it so fun."

Hanhan, Google review, May 2026

"Fantastic atmosphere - clearly a lot of effort and thought has gone into the theme and the build. These super immersive rooms are my favourite kind of experiences... an opportunity to have fun and feel like you're on a real adventure."

Sarah C, Google review, April 2026

"10/10! 'Immersive adventure experience' is legit because it's less escape room and more you're actually an explorer, discovering the secrets of the mountain."

Google review, 2026

"The theming and props are high quality, and truly feels like you've stepped into a theme park ride. The puzzles are all diegetic and make sense, and genuinely feels as though you were in a real life video game."

hedgehog, Morty

Read all 450+ reviews on Google →

Australian-First Escape Room Adventure in the Heart of Marrickville, Sydney

Heart of the Mountain is your own private, theme-park-scale escape room adventure in Marrickville. Immersive theatre, cinematic sound and film-quality sets come alive around you, powered by custom mechatronics, for 360-degree immersion from the moment you step inside.

Rated 5 stars from 450+ Google reviews and a 2025 TERPECA nominee in its first year.

Escape rooms, taken to theme-park scale

Instead of padlocks and codes, your team solves puzzles hands-on with large moving set pieces while voiceovers and a custom immersive soundtrack bring the world to life. It's like stepping into a real-life video game or your own movie adventure.

3–8 players · Up to 80 min · Ages 16+ · From $70pp

Perfect for:

Double date nights

Birthdays

Hens & bucks

Corporate team building

Families with teens

Escape room fans

14 Rich St, Marrickville, in Sydney's Inner West

Book your adventure

What are you waiting for?

The Heart of the Mountain is calling...

Let's go

Learn more about pricing and booking options.