WA’s best-kept secret: An ancient tunnel creek cave

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Discover Western Australia’s oldest cave system.

There are many reasons to visit The Kimberley: The Bungle Bungles, Horizontal Falls and incredible helicopter rides over massive waterfalls, to name a small fraction. But a place that you probably haven’t heard about is Dimalurru (Tunnel Creek).

What is Dimalurru (Tunnel Creek)?

About 350 million years ago, the Dimalurru (Tunnel Creek) was underwater, forming part of an ocean reef system. These days, the water level has dropped, but not before carving a huge 750-metre limestone tunnel that gets up to 20 metres high and 15 metres wide in some parts. It’s Western Australia’s oldest known cave system.

Besides its ancient history and incredible natural beauty, this is also a place of significant Australian history. In 1897, it was used as a hideout by the famous/ infamous (depending on who you ask) Bunuba Indigenous leader and freedom fighter of the time, Jandamarra .

end of Dimalurru (Tunnel Creek) the kimberleys western australia
These caves were carved by water hundreds of millions of years ago. (Image: Tourism WA)

Why explore Dimalurru (Tunnel Creek)?

Dimalurra travels from one side of the Napier Range to the other. And as beautiful as the range is from above, there’s an entirely different type of beauty below.

Wander through large caverns, with beams of sunlight leaking in from the world outside. Large stalactite formations hanging down from the roof add to the drama, as do mini-waterfalls along the tunnel wall. Also, keep an eye out for Indigenous rock art near both entrances of the tunnel.

Along the way, you’re likely to spot many different bat species and even freshwater crocodiles that call this cave home.

woman standing inside Dimalurru (Tunnel Creek) the kimberleys western australia
See the dramatic structures inside the cave. (Image: Tourism WA)

How to explore Dimalurru (Tunnel Creek)

Napier Range and Dimalurru reside in the West Kimberley, about 2.5 hours (180 kilometres) east of Derby. Head out yourself and take part in a day of hiking. Be sure to wear comfortable shoes that can get wet, and bring a torch (a real one, your phone torch light won’t cut it) as the tunnel gets pitch black in places.

If you don’t want to go it alone, join day trips from Derby, Fitzroy Crossing and Broome.

And, of course, check the Parks and Wildlife Service website for opening updates.

stalatites inside Dimalurru (Tunnel Creek) the kimberleys western australia
Hike it by yourself or join a day tour. (Image: Tourism WA)

Discover more to do in the Kimberleys while you’re there with this guide to 13 of our favourite experiences.

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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The ultimate Margaret River road trip itinerary for food & wine lovers

Time your visit to Margaret River just right, and you can spend the ultimate weekend wining, dining and exploring the region with Pair’d Margaret River Region x Range Rover.

Wine, world-class produce, surf, sun and beaches: it’s an alluring combination. And the reason so many pin the Margaret River region high on their travel hit-lists. There’s drawcard after drawcard to the southwestern corner of Western Australia, and the Pair’d Margaret River Region x Range Rover food and wine festival showcases the best of it over the course of one weekend in November. It’s never been easier to sip, see and savour the Margaret River region.

In partnership with Pair’d Margaret River Region, Range Rover invites you on a seven-day itinerary of refined adventure, where luxury and exploration go hand in hand. It’s the perfect WA road trip, and there’s no better way to do it than in a Range Rover.

Day 1

the pool at Pullman Bunker Bay
Check into Pullman Bunker Bay.

There’s no more popular West Australian road trip route than that between Perth and the Margaret River Region. It’s an easily digestible, three-hour drive, with worthy pit stops along the way.

Make the first of them one hour and 15 minutes in, at Lake Clifton. Here, find a 2000-year-old living thrombolite reef. Drive for a further 40 minutes and chance meeting some of Bunbury’s dolphin population at Koombana Bay.

Pullman Bunker Bay is the final stop, just over three hours south of Perth. This beachfront, five-star resort is the ultimate base for exploring the Margaret River Wine region.

Day 2

After a leisurely morning breakfast with an ocean view, start your Range Rover and head towards the Dunsborough town centre. Browsing the decidedly coastal-themed goods of the town’s many independent boutiques is a great way to while away the hours, breaking up the sartorial with an artisan gelato snack stop, or some good old-fashioned Australian bakery fare.

Leave room; you’ll need it for the Good Natured Gathering  dinner at Wayfinder. Indulge in a four-course feast by chef Felipe Montiel, which uses produce from the winery’s market garden to enhance a selection of sustainably sourced seafood and meat. But food is just the support act. It’s organic wine that’s the star of the show, generously poured and expertly paired to each dish.

Day 3

Settle in for cabernet at Cape Mentelle Winery.

With a grand total of 20 wines from vintage 2022 to try, it’s a good thing Cape Mentelle’s International Cabernet Tasting kicks off early. Make your way to the estate for a 10:00 AM start, where a global selection of wines will be poured blind, before a long lunch by Tiller Dining is served.

Given that the Margaret River is responsible for more than 20 per cent of Australia’s fine wine production, it’s only right to delve into it while in the area.

Continue exploring the region via taste and terroir aboard Alison Maree, a whale-watching catamaran, as you cruise Geographe Bay . Admire the rolling green hills and crisp white beaches of Quindalup in sunset’s golden light, all the while sipping through the Clairault Streicker catalogue and dining on canapes.

For a more substantial dinner, venture into Busselton for a seven-course British x Australian mash-up , courtesy of Brendan Pratt (Busselton Pavilion) and Oliver Kent (Updown Farmhouse, UK). They’ll be putting their rustic yet refined spin on the likes of local marron, wagyu and abalone – championing the simple beauty of the world-class ingredients.

Day 4

Pair'd Beach Club
Elevate your dining experiences at Pair’d X Range Rover Beach Club.

Wrap your fingers around a wine glass and wiggle your toes into the sand at Pair’d Beach Club x Range Rover on Meelup Beach. Sit down to an intimate wine session with sommelier Cyndal Petty – or a four-course feast by Aaron Carr of Yarri – and revel in the open-air beach club, bar and restaurant’s laidback coastal vibe. It’s a whole new way to experience one of the region’s most renowned beaches.

Follow up a day in the sun with a casual Italian party at Mr Barvel Wines . Purchase wines –including the elusive, sold-out Nebbia – by the glass and enjoy canapes with the towering Karri forest as a backdrop.

If you’d prefer to keep it local, head to Skigh Wines for the New Wave Gathering , where the region’s independent wine makers and their boundary-pushing wines will be on show. Street-style eats, a DJ and complimentary wine masterclasses complete the experience.

Day 5

pair'd Grand Tasting
Taste your way through Howard Park Wines. (Image: C J Maddock)

Spend the morning at your leisure, driving the winding roads through the Boranup Karri forest in your Range Rover. Soak in the views at Contos Beach, and call into the small cheese, chocolate and preserve producers along the way.

Make your next stop Howard Park Wines for The Grand Tasting presented by Singapore Airlines . Numerous wine labels will be pouring their catalogues over four hours, accompanied by food from chefs Matt Moran and Silvia Colloca, with live opera providing the soundtrack.

Cap off a big weekend with one last hurrah at Busselton Pavilion. Six ‘local legends’ – chefs Brendan Pratt (Busselton Pavilion), Mal Chow (Chow’s Table), Aaron Carr (Yarri), Ben Jacob (Lagoon Yallingup), Corey Rozario (Dahl Daddies) and Laura Koentjoro (Banksia Tavern) – will be preparing a dish each. Dance the night away as vinyl spins and the sun sets on another day.

Day 6

Ngilgi Cave western australia
Head underground. (Image: Tourism WA)

After a busy few days of wining and dining, it’s wise to observe a rest day. There’s no easier task than unwinding in the Margaret River Region, also famous for its high concentration of world-class beaches.

Relax on the grassy knoll as you watch the region’s most experienced surfers braving the World Surf League break at Surfer’s Point, or don your own wetsuit and try out one of Gracetown’s more beginner-friendly waves. Swimmers will find their Eden at Meelup Beach, Eagle Bay, or Point Piquet, where the sand is brilliantly white and the water as still as a backyard swimming pool.

Not into sun, sand, and surf? Head underground at Mammoth Cave, just one of the region’s many stalactite-filled caves.

Day 7

Burnt Ends event at Pair'd
Farewell the Margaret River.

Pack up your Range Rover with new favourite wines and newfound memories, ready for the three-hour journey back to Perth.

Prebook your discovery journey through the south-west corner of Western Australia with Pair’d Margaret River Region x Range Rover.

Pair’d Margaret River Region is proudly owned by the Western Australian Government, through Tourism WA.