Murphy’s Haystacks South Australia Explained

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AT rock hound Kerry van der Jagt steps back in geological time to investigate this extraordinary South Australian cluster.

Short answer:

Near Streaky Bay, 700km northwest of Adelaide, a group of rock stars take centre stage in the middle of a wheat field.

Long Answer:

Murphy’s Haystacks are ancient wind-worn pink granite boulders that formed 1500 million years ago. Around 40km south of the popular fishing and tourist town of Streaky Bay on SA’s Eyre Peninsular, they stand like a crooked set of giant’s molars on a hilltop just 2km off the Flinders Hwy.

Murphy’s haystacks in all their glory

Folklore has them named after a Scottish agricultural expert who spotted the crop of remarkable rocks from the local mail coach. The Scotsman obviously had a fertile imagination. “That man must harrow," he commented to his fellow travellers. “Look at all the hay he has saved."

 

The owner of the land was Denis Murphy, and faster than you could shout “mine’s a Guinness!" the Murphy’s Haystacks nickname had stuck. Of course they’ve nothing to do with haymaking and are in fact great examples of weathered granite inselberg formations (German for “island-mountain"). They’re part of a larger mass called the Hiltaba Granite, named for the Hiltaba Station in the southwest Gawler Ranges, under which much of the mass lies.

 

The granite was originally hidden deep in the Earth’s crust, probably some 7-10 km below the surface, but over eons the overlying rocks have worn to be transported and deposited on the surrounding continental shelf and inland basins.

Next time you’re crossing the Nullabor, think about a detour

The granite hills of the district, including the haystacks, were buried by calcareous dune sand about 30,000 years ago. Gradual weathering has shaped the granite to reveal the weird and wonky pillars and boulders we see today.

 

So, if you’re crossing the Nullarbor or visiting the Eyre Peninsular, hop off the highway, skip down a side street and jump around among an ancient rock garden as old as time itself.

Need tips, more detail or itinerary ideas tailored to you? Ask AT.

AI Prompt

Fun fact:

French Impressionist painter Claude Monet had a thing for haystacks. Haystacks, Midday 1890 is part of the collection held by the National Gallery of Australia in Canberra.

Did you know:

The name Murphy is a modern form of the ancient Irish name O’ Murchadha, which means “descendant of sea warrior" in Gaelic
And did you also know: The popular TV series MythBusters attempted to find “a needle in a haystack" by means of fire, water and a magnet (they managed it, but it was unbelievably difficult).

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How to turn a summer weekend into an unforgettable cruise holiday

    Meredith Bryan Meredith Bryan
    Why settle for another landlocked weekend away when you could spend a thrilling few days sipping cocktails poolside with friends and family, taking in a Broadway-style musical, and having once-in-a-lifetime adventures—all without leaving Australia?

    Royal Caribbean’s summer 2025/26 season packs all the excitement and variety of a cruise holiday into a new lineup of weekend getaways. There’s something for everyone on board, from your mum who just wants to relax at a spa to your adrenaline-junkie mate who is keen to skydive in a simulator on the deck. With two world-class ships making debut voyages from Brisbane and Sydney, there’s never been a better time to plan the ultimate short getaway with a Royal Caribbean Australia cruise.

    Why cruise?

    Royal Caribbean Weekend Cruises cruising from Australia.
    The ultimate adventure, close to home.

    On a short cruise holiday, you’ll set sail with zero planning stress, booking drama, or traffic woes, knowing your itinerary is jam-packed with fine dining and adventure (or relaxation, if that’s more your vibe). And everyone’s needs will be catered to, from your parents to your gourmand partner to your toddler niece. All main meals* and most onboard activities are seamlessly included in your fare, from Royal Caribbean Entertainment to the Adventure Ocean® Kids’ Club.

    The ship

    Boy rock climbing at Adrenaline Peak on Royal Caribbean Weekend Cruises, excitement, thrills, effort, challenge, fun.
    Scale new heights at sea with onboard rock climbing.

     

    Sailing from Sydney for the first time, Anthem of the Seas® is an award-winning ship. It boasts 360-degree views from its thrilling North Star® observation capsule – the tallest viewing deck on any cruise ship, anywhere, stretching an astonishing 91 meters above the ocean. And it offers tailored adventures for families and friend groups alike. 

    Thrill-seekers can on the FlowRider® Surf Simulator, or try out the bumper cars. For those looking to chill, relax poolside at the adults-only Solarium with a cocktail in hand. Experience some culture and show-stopping entertainment with a Broadway-style production of We Will Rock You.

    Or set sail aboard Voyager of the Seas® , making her debut voyages from Brisbane this summer with a turbo-charged slate of activities, including mini golf and ice skating, as well as The Perfect Storm℠ – a three-storey high-speed waterslide.

    Onboard activities

    meal at giovannis on a royal caribbean ship
    The onboard dining scene is legendary.

    Royal Caribbean’s onboard dining scene rivals what you’d find in any top global city, bringing top chefs and inventive flavours from around the world right to your ship’s deck. From Japanese sushi bars to old-world Italian joints, late-night cafes, private room service and five-course, white-tableclothed Chef’s Table culinary journeys, there’s something to suit every mood and palate.

    For those craving relaxation, the Vitality℠ Spa and Fitness Centre offers a full menu of massages, facials, hair and nails, teeth whitening and even medi-spa treatments to plump skin and smooth wrinkles. Not to mention state-of-the-art gym facilities. Or take in the pristine views at the adults-only Solarium, a serene retreat space featuring tranquil pools and whirlpools.

    Meanwhile, the thrill-seekers in your group can pack more adrenaline into three or four nights than most holidays do in a week. Royal Caribbean’s signature RipCord® by iFLY® skydiving simulator* delivers the singular rush of a freefall without ever boarding a plane. And the 12-metre-long FlowRider® surf simulator lets everyone from beginner boogie-boarders to advanced shredders catch a wave without ever leaving the deck. Launch yourself down a multi-story waterslide against a backdrop of ocean views or grab the whole crew for Battle for Planet Z℠*, a glow-in-the-dark laser tag experience. Top it all off with rock climbing, ice skating, pickleball, or a game of basketball on the sports court. 

    When night falls, the drama amps up with a slate of award-winning shows: We Will Rock You, the Queen musical playing on board Anthem of the Seas®, or Ice Odyssey, a dazzling and futuristic spectacle performed on Voyager of the Seas® ’ very own ice rink. Or bar hop before catching some live music, a comedy show, a silent disco, an outdoor film night, and so much more.

    Where can you sail?

    people snorkelling on a day trip with royal caribbean cruises
    Snorkel along the Great Barrier Reef.

    Departing from Brisbane, take a four-night getaway to stunning Airlie Beach, Queensland on board Voyager of the Seas®. Along the way, spend time immersed in Airlie Beach, where you can take a Segway tour, hop on a glass-bottom boat and try an ocean rafting eco-adventure. Book a Shore Excursion and take a trip to the Whitsunday Islands for snorkelling on the Great Barrier Reef, or hike to secluded beaches in Molle National Park.

    If you prefer to depart from Sydney, hop on board Anthem of the Seas® for a five-night holiday to Hobart, Tasmania. You’ll spend time docked in Hobart experiencing Tasmania’s other-worldly beauty and famous culinary scene, from hikes and horse rides on Mount Wellington to strolls through the Royal Tasmanian Botanical Gardens to winery tours in the countryside and up-close encounters with Tasmanian devils.

    Days at sea are a chance to create your own adventure and savour it all, from the ships’ astonishing breadth of dining experiences and activities to the serenity of the open seas to unhurried moments with loved ones – the most memorable part of any holiday.

    Book a short getaway that everyone will love (and don’t compromise on forever memories) at RoyalCaribbean.com.au.

    *T&Cs apply. Specialty dining and select beverages and some activities incur an additional cost. Activities vary by ship.