Spectacular steam and bubbling mud: New Zealand's geothermal wonders

Find out the best places to see New Zealand's famous geothermal attractions.

Towering mountain ranges, lakes formed from giant craters and fertile hills and valleys – New Zealand’s landscape offers a wealth of extremes, and for good reason – the country sits on an active fault line, resulting in a lot of volcanic activity. Wherever water is heated under the earth, it will find a way to escape, often with spectacular results!

The Taupo Volcanic Zone covers the area around Rotorua, Lake Taupo and the Bay of Plenty and is a hotbed of geothermal activity. Only Yellowstone National Park in the United States is more active! There are many other places around New Zealand where you can experience volcanic or geothermal activity, but in Rotorua you will find the most concentrated area – one of many reasons why Rotorua is a top destination for visitors to New Zealand.

A visit to the Rotorua region allows you to see geothermal activity like geysers, boiling mud pools, mineral hot springs and other fascinating sights. Read on to find out more about New Zealand’s geothermal wonders.

Types of Geothermal Activity in Rotorua

Geysers occur when hot water under the ground is forced through a narrow opening. Pressure builds up and the result is a series of eruptions of very hot water and steam. Many geysers in the Taupo Volcanic Field are known for erupting at regular intervals. The largest and most famous geyser in Rotorua is the Pohutu Geyser in Whakarewarewa Thermal Valley, which erupts up to 20 times a day and shoots steam as high as 30 metres into the air.

Mud pools form where steam and gas rise from underground into rainwater ponds. The acidic gas transforms rocks on the surface into a clay which mixes with the heated pond water into mud. The steam heats the mud and makes it bubble. Some mud pools can reach boiling temperatures, so take care when viewing them and take note of warning signs and fencing.

Fumaroles are steam vents through which steam and gases escape from deep under the earth.

Sinter terraces are created from the mineral deposits left by overflowing hot springs. Over time the minerals build up in layers in beautiful and fragile formations, often coloured by different micro-organisms.

Where to see Geothermal Activity in Rotorua

Te Puia

As well as being home to the New Zealand Māori Arts and Crafts Institute, Te Puia is situated in the Whakarewarewa Thermal Valley, making it an ideal place to experience both Māori culture and Rotorua's geothermal attractions. Whakarewarewa boasts around 500 active geothermal features including alkaline chloride hot springs, playful mud pools and at least 65 geyser vents, each with their own name. Seven geysers are currently active, including the famous Pohutu Geyser. 'Pohutu means 'big splash or explosion' and it certainly lives up to its name!

Kuirau Park

Kuirau Park is a public park at the northern end of Rotorua and is free to enter. There are walking tracks throughout the park that take you past volcanic activity like steam vents, mud pools and hot springs. Make sure you stay outside the fences as some of these features can be dangerous due to high temperatures and unpredictable steam.

Tikitere (Hell’s Gate)

Just outside of Rotorua lies Tikitere or Hell’s Gate, as it was named by George Bernard Shaw when he visited in the early 1900s. Here, between lakes Rotorua and Rotoiti, you can see a mud volcano and the largest hot waterfall in the Southern Hemisphere.

Wai-O-Tapu Thermal Wonderland

Wai-O-Tapu (meaning ‘sacred waters’ in Māori) is a little south of Rotorua and offers perhaps one of the region’s more colourful geothermal experiences. See the famous Champagne Pool with its vivid mineral hues, and the Lady Knox Geyser.


You can see boiling lakes, hot streams, steaming cliffs and other fascinating geothermal phenomena at Waimangu. Take a self-guided tour through native bush, or choose from a range of boat tour options.

You can also enjoy a soak in one of many mineral hot pools in Rotorua, with spa complexes including the Polynesian Spa and the Blue Baths.  There are other geothermal areas around the country, including Ngawha near the Bay of Islands, Hanmer Springs in the South Island and Hot Water Beach, Coromandel, where you can dig your own hot pool right into the sand. Still more hot springs are hidden away, some in native bush and others on private land. If you’re lucky, perhaps a local will let you in on their secret spot!

Rotorua’s Geothermal History

Local Māori discovered the practical and medicinal uses of hot springs and geothermal activity early on. Hot springs provided heating, a way to cook and preserve food as well as therapeutic benefits.

When European settlers arrived, they also realised the benefits of the springs and set about transforming Rotorua into a spa town along the lines of Bath in England. Geothermal activity has also been harnessed to provide an energy supply. As demand increased the geothermal activity was depleted. While there used to be five major geyser fields in the area, there is now only one (Whakarewarewa). Another was destroyed by the eruption of Mt Tarawera and the others have all dwindled over the years.

GreatSights New Zealand offers a range of sightseeing day tours - browse our selection of geothermal tours or Rotorua tours.

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