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This abandoned coastal fort in Vic finally unlocked its underground tunnels

(Credit: Visit Vicoria)

Visitors can now explore historic underground tunnels on the Mornington Peninsula.

At the very tip of the Mornington Peninsula sits a fascinating part of Australia’s history. Fort Nepean cuts a dramatic figure on the coastline of Point Nepean National Park, built to defend Melbourne in the First and Second World Wars. It was here that the first shot of the First World War was taken for the British Empire, and Australia’s opening shot of the Second. And now, for the first time since the wars, visitors can also head underground and explore the historic Fort Nepean tunnels.

What’s inside the tunnels?

woman inside Fort Nepean Tunnels
Find old ammunition stores and bomb-proof chambers. (Credit: Lucas Dawson)

Heading underground, visitors will be able to follow a web of narrow corridors carved into limestone, spreading out underneath Fort Nepean. Highlights underground include old ammunition stores and bomb-proof chambers, remnants of its military past.

Above ground, beyond dramatic vistas of the surrounding coastline, visitors can spot historic gun emplacements.

When were the tunnels sealed?

two walkers inside Fort Nepean Tunnels
These tunnels were important military structures. (Credit: Lucas Dawson)

After the Second World War, in 1945, Fort Nepean was permanently sealed and closed to the public after the site’s coastal artillery was removed. The whole area remained closed to the public for another 40-plus years, being used as a restricted military training area.

Then, in 1988, it was opened back up as a public area, as part of Point Nepean National Park. But it’s only now that the labyrinth of underground tunnels has been part of that equation.

Why are they open now?

couple walking out of Fort Nepean Tunnels with copastal views below
Find stunning coastal views from lookout points around the fort. (Credit: Visit Victoria)

Work to “remedy structural issues, and conserve and repair concrete structures across the site" has been done as part of the Victorian Government’s Heritage Icons Project. So, essentially, the tunnels are now structurally safe to walk through. The work was aimed at both preserving the history and character of the site while safeguarding its future.

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Getting to Fort Nepean

hikers walking to Fort Nepean tunnels mornington peninsula
Enjoy a short or long walk through Point Nepean National Park. (Credit: Visit Victoria)

Getting to the Fort Nepean tunnels does require a walk, but it’s considered one of the most beautiful coastal trails in Victoria. And there are a couple of options.

For a shorter walk, follow the approximately 1.6-kilometre (one-way) Gunner’s Cottage route. Follow this sealed road from Gunners Car Park, passing the historic Point Nepean Cemetery along the way.

Those feeling more energetic can opt for the approximately 16-kilometre (return) pathway from Point Nepean Quarantine Station. From there, follow the signposted coastal and sealed road track through coastal scrub and rugged cliffside scenery. Look out over Phillip Bay, Bass Strait and The Rip, and even plan to stop at dedicated picnic areas along the way.

Don’t want to walk at all? Wait for the hop-on, hop-off shuttle running through the national park. It connects the park entrance with Quarantine Station and Fort Nepean. You can also opt for a combo of shuttle and hiking.

The details

visitors and parks guide looking out from fort nepean
Plan ahead to take the shuttle bus, or follow your own two feet. (Credit: Belinda Van Zanen)

Cost: Entry to Point Nepean National Park is free. Those opting for the shuttle will pay $12 adult, $8 child/concession holder or per person as part of a 15+ person group booking.
Shuttle details: For schedules, ticketing or group bookings, call 1300VENTURA or email bushire@venturabus.com.au
Location: Point Nepean National Park is about a 90-minute drive from Melbourne

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Kassia Byrnes
Kassia Byrnes is the Native Content Editor for Australian Traveller and International Traveller. She's come a long way since writing in her diary about family trips to Grandma's. After graduating a BA of Communication from University of Technology Sydney, she has been writing about her travels (and more) professionally for over 10 years for titles like AWOL, News.com.au, Pedestrian.TV, Body + Soul and Punkee. She's addicted to travel but has a terrible sense of direction, so you can usually find her getting lost somewhere new around the world. Luckily, she loves to explore and have new adventures – whether that’s exploring the backstreets, bungee jumping off a bridge or hiking for days. You can follow her adventures on Instagram @probably_kassia.
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Unforgettable First Peoples tours and experiences in Victoria

    Angela Saurine Angela Saurine
    From ancient aquaculture systems to sacred rock art shelters, Victoria’s First Peoples cultural experiences offer a powerful connection to one of the world’s oldest living cultures – where every site, story and smoking ceremony invites a deeper understanding of the land beneath your feet. 

    Victoria’s sweeping landscapes hold stories far older than any road map can trace – stories etched into stone, sung through generations and woven into every bend of river and rise of hill. From the lava flows of Budj Bim to the ancient middens of Moyjil/Point Ritchie and the volcanic crater of Tower Hill, the state is home to some of the most significant First Peoples cultural sites in Australia. These places, along with other immersive experiences, offer not only a window into a 60,000-year legacy, but a profound way of understanding Country itself. As more travellers seek connection over checklists, guided tours by Traditional Owners offer respectful, unforgettable insights into a living culture that continues to shape the land and the people who walk it. 

    Budj Bim cultural landscape  

    Budj Bim Cultural Landscape
    Budj Bim Cultural Landscape is on Gunditjmara Country. (Image: Visit Victoria)

    Venture beyond the surf and sand of the Great Ocean Road to discover a deeper story etched into the volcanic landscape. At Budj Bim, ancient aquaculture channels built by the Gunditjmara people to trap, store and harvest kooyang (short-finned eel) reveal one of the world’s oldest living cultures. While you’re in the area, head over to the state-of-the-art Tae Rak Aquaculture Centre, where you can observe the eels in a special tank, wander the shores of Tae Rak (Lake Condah), and enjoy a bite at the Bush Tucker Cafe. Also nearby is Tower Hill, a dormant volcano reborn as a wildlife reserve, offering trails through bushland teeming with emus and koalas. 

    eel tank
    The kooyang (eel) tank at Tae Rak. (Image: Visit Victoria)

    Dumawul Kooyoora Walking Tour 

    Dumawul walkingtour
    Guests are guided through Kooyoora State Park on the Dumawul walking tour. (Image: Visit Victoria)

    Step into a timeless landscape with Dumawul’s guided tour through Kooyoora State Park, around an hour’s drive west of Bendigo in north-central Victoria. Led by Djaara guides, this immersive half-day journey breathes life into Country, weaving together stories, bush tucker and ancient rock art. Known to the Dja Dja Wurrung people as Guyura – the ‘mountain of light’ – this dramatic granite range is rich with cultural and spiritual significance.  The adventure begins with a meet-up at the Bridgewater Hotel on the banks of the Loddon River, before guests are welcomed onto Country with a traditional Smoking Ceremony – a powerful ritual that honours ancestors and cleanses those who walk the land. From there, it’s a gentle wander through rugged outcrops and open bushland, with sweeping vistas unfolding at every turn. Along the way, guides share their knowledge of how the Dja Dja Wurrung peoples have cared for and adapted with this land for generations, offering a rare and moving window into an ancient way of life that continues to thrive today.  

    Kooyoora walking tour
    Knowledge of the Dja Dja Wurrung is shared on the trail. (Image: Visit Victoria)

    Kingfisher Cruises  

    Kingfisher Cruises
    Cruising the Murray with Kingfisher Cruises. (Image: Visit Victoria)

    Glide quietly through the Barmah-Millewa forest – the nation’s largest river red gum ecosystem – on a scenic journey along the Murray River and into the Barmah Lakes with Kingfisher Cruises. Led by passionate guides who share stories of the cultural significance of this ancient landscape, these cruises reveal the stories, totems and traditional knowledge of the Yorta Yorta people. As you navigate narrow waterways and spot native birds, you’ll gain a richer understanding of how First Peoples have lived in harmony with this floodplain for tens of thousands of years. It’s a gentle, immersive experience that leaves a lasting impression – one where every bend in the river carries echoes of culture, connection and Country.  

    wawa biik 

     Taungurung leaders
    Exploring Nagambie with Taungurung leaders. (Image: Visit Victoria)

    Translating to ‘hello, Country’ in the language of the First Nations People and Custodians of the rivers and mountains of Taungurung Country in Central Victoria, wawa biik guides a range of authentic and deeply immersive experiences. Leaving from either Nagambie or Euroa, the tours are woven with ancient stories of the Taungurung, telling how a sustained connection and responsibility ensures the continued health of biik – benefitting the people, animals and plants that live in and around the Goulburn River. During the wawa Nagambie experience, guests participate in a Welcome Smoking Ceremony, and enjoy lunch and conversation with two Taungurung leaders as they cruise through the wetlands of tabilk-tabilk (place of many waterholes). The 4.5-hour tour begins at Tahbilk Winery, which is set in the wetlands of Nagambie on Taungurung Country and collaborates with Taungurung Elders to share knowledge of biik. 

    Bataluk Cultural Trail  

    Bataluk Trail
    Cape Conran on the Bataluk Trail. (Image: Visit Victoria)

    The Bataluk Cultural Trail winds through East Gippsland like a thread stitching past to present, tracing the deep connection between the Gunaikurnai people and their land. Starting at the Knob Reserve in Stratford, visitors walk among scarred trees and ancient stone tools once used for survival and ceremony. At the Den of Nargun near Mitchell River, the earth holds stories of women’s sacred spaces, cloaked in myth and legend. Further along, Legend Rock at Metung tells of greed and consequence, its surface etched with ancient lore. At Cape Conran, shell middens lie scattered like breadcrumbs of history – 10,000 years of gatherings, stories and saltwater songs still echoing in the wind.  

    Healesville Sanctuary  

    echidna at Healesville Sanctuary
    Get up close with a resident echidna at Healesville Sanctuary. (Image: Visit Victoria)

    Set on the historic grounds of Coranderrk Aboriginal Station, Healesville Sanctuary honours the Wurundjeri people of the Kulin Nation through immersive storytelling and connection to Country. Along Wurundjeri Walk, visitors are invited to reflect on the land’s rich First Peoples history, with native plants revealing their traditional uses. Wurundjeri Elder and educator Murrundindi shares culture in-person with the Wominjeka Aboriginal Cultural Experience every Sunday, and most days during Victorian school holidays. Murrundindi’s smoking ceremonies, storytelling and bush tucker knowledge reveal the sacred relationship between people, animals and the environment. Bird-lovers can’t miss the incredible Spirits of the Sky show featuring native birds daily at 12pm and 3pm. 

    The Grampians 

    Rock art at Bunjil Shelter in The Grampians
    Rock art at Bunjil Shelter in The Grampians. (Image: Visit Victoria)

    Known as Gariwerd to Traditional Owners, the Grampians is a place of immense cultural and spiritual significance. This rugged landscape holds more than 80 per cent of Victoria’s known First Peoples rock art, offering a powerful window into the region’s deep heritage. Visitors can respectfully explore five remarkable rock art sites: Billimina and Ngamadjidj in the Wartook Valley, Manja Shelter near Hamilton, Gulgurn Manja shelter near Laharum, and the Bunjil Shelter near Stawell, where the creator spirit is depicted. Each site tells a unique story of connection to Country, shared through ancient handprints, dancing figures and Dreaming narratives etched into stone.