10 secret gardens in Australia you need to see in full bloom

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Lose track of time, and yourself, in one of the most magical secret gardens in Australia.

There’s a reason why the children’s novel, The Secret Garden, remains enchanting more than a century beyond its release. To glimpse an unspoiled world, cloaked in flourishing plant life and elusive wildlife that evidently tend to themselves, evokes a timeless curiosity in what lies beneath.

In pursuit of these natural havens during every Aussie adventure, we’ve rounded up our top picks for you to hunt down yourself. From spectacular seasonal blooms to unexpected surprises, the country’s best secret gardens connect you to nature in extraordinary style.

1. Wendy’s Secret Garden, NSW

A totally immersive art gallery, Wendy Whiteley’s Secret Garden on Sydney’s north shore is practically spiritual. One of Australia’s best “hidden" gems, the garden is the scrupulous handwork of Wendy Whiteley, wife of late artist Brett Whiteley, and it flows with every imaginable shade of green.

Dotted through the space, which is set on a steep hill that rolls down to Sydney Harbour, are sculptures and many other endearing artefacts. Once you reach the garden’s centre, you’ll also find chairs and benches to be perched upon as you soak up the wonderment. Bird baths, cherubs, an ancient wheelbarrow and a metal fountain from the late Margaret Olley, another iconic Sydney artist, await amid a manicured mass of palms, shrubs and trees.

Wendy Whiteley's Secret Garden in Sydney
Wendy’s Secret Garden flows with every imaginable shade of green. (Image: Destination NSW)

Best time to visit: Spring opens the spines of the garden’s Doryanthese excelsa, a Sydney native, to flower.
Price: Free.
Address: Lavender Street, Lavender Bay

2. Alfred Nicholas Memorial Gardens, Vic

The Dandenong Ranges, right next to Victoria’s Yarra Valley, is renowned for its outdoor hijinks and stellar dining, but have you explored its secret garden? The Alfred Nicholas Memorial Gardens is a historical site, once the actual garden of the three-storey Burnham Beeches mansion, and walking paths direct you through the tranquillity.

Be soothed by the garden’s lake as you explore an old boathouse and picnic areas. Vivid colour displays bounce off a mecca of ferns, orchids, mountain ash trees and other glorious flora and fauna.

Alfred Nicholas Memorial Gardens in Victoria
The Alfred Nicholas Memorial Gardens is a historical site.

Best time to visit: During autumn when leaves change colour.
Price: Free.
Address: Sherbrooke Road, Sherbrooke

3. Bonsai House, Qld

Nestled within the ever-popular Brisbane Botanic Gardens lies a secret garden often overlooked. Bonsai House is exactly what it sounds like, a space dedicated to the ancient Japanese art of growing miniature trees in pots, and inside you’ll be floored by the delicate little creations on show.

One of the country’s largest collections of bonsai displays, this secret garden shines a light on the species that thrive in a subtropical climate, spanning figs, azaleas and other varieties, with some living and breathing for more than 80 years.

Bonsai House in Brisbane Botanic Gardens, Queensland
Bonsai House is nestled within the Brisbane Botanic Gardens.

Best time to visit: All year round.
Price: Free.
Address: Within the Brisbane Botanic Gardens, 152 Mount Coot-Tha Road, Mount Coot-tha

4. Umpherston Sinkhole/Balumbul, SA

It’s not so secret these days but the Limestone Coast’s remarkable garden within a sinkhole is certainly a surprise to uncover. The Umpherston Sinkhole, a giant hole in the ground that’s overgrown with greenery, is breathtaking, complete with swaying vines, leafy walls and flowers planted in topsoil across the sinkhole’s base.

To pretty it all up further, seats and a barbecue area are down there too, making it one of the most unusual spots to connect to nature in all of South Australia.

Umpherston Sinkhole in Mount Gambier, South Australia
Umpherston Sinkhole is one of the most photographed locations in Mount Gambier. (Image: Jaxon Foale)

Best time to visit: All year round.
Price: Free.
Address: Jubilee Highway E, Mount Gambier

5. Emu Valley Rhododendron Garden, Tas

Bask in the beauty of vividly hued rhododendron blooms, which turn various shades of the rainbow, at Tasmania’s Emu Valley Rhododendron Garden . More than 24,000 plants have been planted across 11 hectares in the city of Burnie in northwest Tassie, with the prettiest sights set against a beautiful pond.

You might even spot an echidna or platypus around the place as native critters are known to frequent the stunning secret garden. A cafe is also on-site to help rehydrate eager explorers.

Grandpa with kids at Emu Valley Rhododendron Garden in Tasmania
Tasmania’s Emu Valley Rhododendron Garden has more than 24,000 plants. (Image: Tourism Australia)

Best time to visit: Mid-September to mid-November.
Price: $15 per adult.
Address: 55 Breffny Road, Romaine

6. Cactus Country, Vic

Swap leafy greenery for prickly succulents at Cactus Country in regional Victoria, right near the Victoria-New South Wales border. Australia’s largest cactus farm, fittingly plonked in the middle of nowhere and clocking in at 0.8 hectares in size, is home to more than 1000 cacti varieties.

Eight trails take you through the entire lot while an elevated lookout offers the ultimate Instagram backdrop.

Cactus Country in Victoria
Cactus Country, Australia’s largest cactus farm, is fittingly plonked in the middle of nowhere.

Best time to visit: All year round.
Price: $22.50 per person.
Address: 4986 Murray Valley Highway, Strathmerton

7. Holberry House Sculpture Walk, WA

You may have visited Western Australia’s historic Holberry House, located in Nannup, but its glorious lower gardens, scattered with sculptures , are often overlooked. Crafted by local communities, the series of artworks often incorporate natural materials and look striking against the beautifully maintained space.

Pull up a garden chair and take your time as the calming surroundings put you at one with this picturesque corner of town.

The Holberry House Sculpture Walk in Western Australia
Take your time exploring the Holberry House Sculpture Walk. (Image: Frances Andrijich)

Best time to visit: All year round.
Price: $4 per person.
Address: 14 Grange Road, Nannup

8. Moonta Bay Secret Garden, SA

You won’t believe what you step into when you find the Secret Garden in South Australia’s Moonta Bay. Wander down the Kemp Place walkway to enter a breathtaking lookout over the foreshore as manicured shrubs, vivid blooms and soft, fluffy lawn create an ethereal scene.

Make like savvy locals do and pack a picnic as there are several shaded spots to take advantage of and the garden is protected from coastal wind.

Moonta Bay Secret Garden in SA
Have a picnic at Moonta Bay Secret Garden.

Best time to visit: All year round.
Price: Free.
Address: Kemp Place, Moonta Bay, Yorke Peninsula

9. Lisgar Gardens, NSW

Journey to suburban Sydney – West Hornsby to be precise – to discover the beautiful Lisgar Gardens , home to almost 100 varieties of the striking camellia. While their scent is intoxicating, there are also three picture-perfect waterfalls to marvel at as you explore 2.6 hectares of secret gardens.

Native ferns and trees also gather in the peaceful space, while several fishponds, a gazebo, spacious lawns, picnic tables and a rainforest walk are also ready to be discovered.

Lisgar Gardens in Hornsby, NSW
Lisgar Gardens is home to almost 100 varieties of the striking camellia. (Image: Captured by Kirri)

Best time to visit: The camellias flourish in full colour between April and September.
Price: Free.
Address: Lisgar Road, Hornsby

10. Featherston Gardens, ACT

Once part of the Canberra Institute of Technology School of Horticulture, Featherston Gardens in Canberra is a tranquil space maintained by volunteers along Weston Creek.

Eucalypt woodlands, a storybook-esque pond, native plants, gazebos and shelters can be found throughout the 3.5-hectare sanctuary. A series of paths lead you through the highlights, however simply strolling through any section will spark a heightened sense of glee.

Best time to visit: Autumn, as tree leaves change through miraculous colour.
Price: Free.
Address: Heysen Street, Weston

Kristie Lau-Adams
Kristie Lau-Adams is a Gold Coast-based freelance writer after working as a journalist and editorial director for almost 20 years across Australia's best-known media brands including The Sun-Herald, WHO and Woman's Day. She has spent significant time exploring the world with highlights including trekking Japan’s life-changing Kumano Kodo Pilgrimage and ziplining 140 metres above the vines of Mexico’s Puerto Villarta. She loves exploring her own backyard (quite literally, with her two young children who love bugs), but can also be found stalking remote corners globally for outstanding chilli margaritas and soul-stirring cultural experiences.
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These new small group tours allow intimate access to Australia’s best experiences

Big skies and otherworldly landscapes are the hallmarks of Australia. Discovering them in-depth becomes easier with the experts.

Australia’s extraordinary landscapes make this vast continent like no other place on Earth, offering an unforgettable feast for the senses as you traverse deserts, cruise on vast inland lakes and dine under star-studded skies. What makes this land special is the people you’ll meet along the way, and the chance to forge a deep connection with the country and its people. The new AAT Kings small-group tours focus on the incredible experiences available in remote places that might otherwise seem daunting.

With an average of 16 guests and a maximum of 24, the tours offer intimate access to the best Australia has to offer, with special behind-the-scenes encounters led by knowledgeable experts.

1. Tasmania and Flinders Island Explorer

aerial shot of flinders island tasmania
Fly over beautiful Flinders Island as part of a tour of Tasmania. (Image: Luke Tscharke)

Escape the tourist trail in north-eastern Tasmania while still seeing everything the island state has to offer. From coastal villages to bucolic rural scenery, the six-day Tasmania and Flinders Island Explorer tour offers world-class food and wine, with the bonus of a flight to Flinders Island.

From Launceston, the tour winds through the verdant Tamar Valley and includes a stop at Fork It Farm , where guests are given insight into sustainable farming while snacking on a house-made charcuterie platter paired with Tasmanian wines.

Fly by private plane to secluded Flinders Island, uncovering pristine beaches and savouring local seafood and wine. Explore the main settlement and learn about the history of Settlement Point and Wybalenna before soaking up views of the island and Bass Strait and exploring part of Strzelecki National Park . From there, it’s another scenic flight to Bicheno, flying down the east coast of Tasmania and across the stunning Bay of Fires and Wineglass Bay (a taste of what’s to come by land).

Other highlights include the UNESCO World Heritage-listed Brickendon Estate , still run by the same family since its founding in 1824, where the property’s convict history will be revealed.

In Devonport, a heritage train ride will track alongside the Don River to Coles Beach before returning to learn more about Tasmania’s railway history and vintage locomotives at Don River Railway .

2. South Australian Outback Adventure

aerial of Anna Creek Painted Hills
Fly over the Anna Creek Painted Hills. (Image: Emile Ristevski)

From Adelaide, the highlights of the eight-day South Australian Outback Adventure tour open up the rugged grandeur of the Flinders Ranges, Wilpena Pound and Arkaroola. Home to the Adnyamathanha people for tens of thousands of years, the natural beauty and wide open spaces of this remote region unfold as you explore from both land and air.

Looking to the skies for a new way to experience South Australia’s outback, a scenic flight over the striking outcrops of the colourful Anna Creek Painted Hills and the shimmering saltpan of Kati Thanda-Lake Eyre is an eye-opener like no other.

Wilpena Pound Resort, owned and managed by the Indigenous community, is a haven in the midst of Ikara-Flinders Ranges National Park . It’s worth the hike to enjoy sweeping views over the natural amphitheatre before your journey continues through dramatic gorges, where you may spot endangered yellow-footed rock-wallabies.

At the award-winning Arkaroola Wilderness Sanctuary, dive deep into the region’s billion-year-old geological history with an expert guide as you tackle the steep ascent of the Ridgetop Track in an open-air 4WD. When the sun goes down, look up at the dazzling wonders of the Milky Way in this International Dark Sky Sanctuary.

3. Broome and the Kimberley Highlights

small plane flying over the Bungle Bungle Ranges
See the iconic Bungle Bungle Ranges from the air. (Image: Tourism WA)

From Broome’s sparkling beaches to the red dirt of Kununurra, the Kimberley region is one of Australia’s most extraordinary and unforgettable places. It’s a region of contrasts, beginning with multicultural Broome and the history of pearl divers.

Kick off your Broome and the Kimberley Highlights experience with a tour of Broome led by a local Aboriginal guide. You’ll learn about 40,000 years of culture as you explore historic landmarks, discover bush foods and medicinal plants and enjoy a private didgeridoo performance.

Learn about Broome’s rich pearling history at Willie Creek Pearl Farm , on the banks of a turquoise tidal estuary that provides the perfect environment for growing the South Sea pearls for which Broome is world-renowned. Then cruise the calm waters to see the oyster farm before a masterclass that reveals the secrets of the pearl industry.

As you continue your discovery of the Kimberley, fly over the dramatic striped domes of the Bungle Bungle Range, the Argyle Diamond Mine and gorgeous Lake Argyle, Western Australia’s largest freshwater body of water. Take a sunset cruise on the lake, which is dotted with more than 70 islands and is a birdwatcher’s paradise. The water teems with freshwater crocodiles, barramundi, bream and cod.

Complete your seven-day exploration of the Kimberley in Kununurra with a local Aboriginal guide to hear Dreamtime stories and wander through the ‘mini bungles’ of Mirima National Park.

4. Outback Contrasts

aat kings small group tours at Karrke Aboriginal Cultural Experience
Expand your knowledge at Karrke Aboriginal Cultural Experience. (Image: Tourism NT/ ArchieSartracom)

From Alice Springs, the six-day Outback Contrasts adventure includes the wonders of Uluru, Kata Tjuta and Kings Canyon, offering premium accommodation and exceptional experiences. Ancient rock art, creation stories and the spiritual essence of the land will be revealed as you discover some of Australia’s most iconic landmarks.

A highlight of your stay in Alice Springs will be meeting chef Rayleen Brown, who shares her knowledge of Aboriginal native foods with a tasting of the many flavours of Central Australia’s wild harvest bush tucker. More culinary indulgence will follow at Discovery Resorts – Kings Canyon in the heart of Watarrka National Park, where you’ll enjoy a degustation menu and paired fine wines under the desert moon.

After a sunrise walk on the rim of Kings Canyon, head off to the Wanmarra community to learn about the Luritja and Pertame people’s spiritual connection to the land at Karrke Aboriginal Cultural Experience. Crossing desert scenes, you’ll arrive at Uluru and end the day watching the setting sun’s changing palette on the ancient landscape.

More awe-inspiring landscapes will be revealed as you wander between Kata Tjuta’s tallest domes in Walpa Gorge and explore the rugged beauty of Simpsons Gap in the West MacDonnell Ranges.

Start planning your small group adventure with AAT Kings.