The best hot pools in NZ, from free natural springs to day spas

New Zealand sits on the boundary of two tectonic plates, and in places the heat comes right up to the surface. The result is a country full of hot water: historic spa towns, hot streams in the bush, a beach where you dig your own pool, and modern day spas with alpine views. Some cost nothing. Some are a proper treat.

This guide picks the best hot pools by island, explains the free natural options, and covers booking and the one safety rule everyone needs to know. Prices are in NZD, adult, as at November 2026, from each operator’s own site.

Quick answer

North Island

Polynesian Spa, Rotorua

On the edge of Lake Rotorua in town, Polynesian Spa has 28 pools in four areas, fed by two springs: the alkaline Rachel Spring and the acidic Priest Spring. It is cashless.

• Pavilion Pools (12 and over): the historic bath house area. Seven pools for sitting (acidic 39 to 41°C, alkaline 38 to 40°C) and one deeper 1.3 m pool. $54.95, or $93.95 for a multi-day ticket bought on site. Polynesian Spa recommends 90 minutes to 2 hours.
• Deluxe Lake Spa (all ages): five lakefront mineral pools from 36 to 41°C, plus a cold plunge. $85 adult or child (2 and over), or $144.95 for a return visit within 7 days (on site only).
• Family Pools: freshwater and warm mineral pools from 33 to 40°C, with a slide.
• Private pools: Sky View private pools are open-roofed rock pools, good for stargazing.

Polynesian Spa asks you to keep your head above the water in the deep pool. Our Rotorua guide covers the rest of the town’s geothermal sights.

Waikite Valley Thermal Pools

About 30 minutes’ drive from Rotorua and 45 minutes from Taupō, Waikite Valley is a rural pool complex fed by natural geothermal water. Its pools range from 30 to 41°C, and private pools have their own temperature controls.

• Open: 7 days, 10.30 am to 8 pm (last entry 7 pm, pools start draining at 7.15 pm)
• Closed: Christmas Day and Boxing Day, and for annual maintenance from 9 to 23 February 2027
• Extras: café open 11.30 am to 6 pm, and a campground on site
• Booking: online up to 4 months ahead

Taupō

• Wairakei Terraces: four geothermal silica pools at different temperatures, with a geyser and steam. All pools are adults only.
• DeBretts Spa Resort: the family option, with thermal mineral pools, hydroslides and a holiday park.
• Otumuheke Stream: free, see below.

Our Taupō guide has more on each.

South Island

Hanmer Springs Thermal Pools and Spa

About 133 km and 2 hours north of Christchurch (a routing estimate without stops), Hanmer Springs calls itself New Zealand’s largest geothermal hot pools.

• Online saver tickets: $40 adult, $23 child (5 to 15), $103 for a mini group. Book online no later than 10 pm the day before.
• Standard flexible tickets: $43 adult.
• Note: as at November 2026, the Cascade pools are closed for refurbishment.

He Puna Taimoana, Christchurch

On New Brighton Beach, about 15 minutes from central Christchurch, He Puna Taimoana has five hot pools, a plunge pool, sauna, steam room and café. Look out for sunrise soaks and adults-only late nights on Thursdays and Fridays.

Tekapo Springs

At the base of Mt John with views over Lake Tekapo, Tekapo Springs has three hot pools named after the Mackenzie lakes (Ōhau, Pūkaki and Tekapo), between 36.5 and 38.5°C. The hottest, Tekapo, is adults only. The water comes from an underground source and is not geothermal. A single pass is $42 adult, $25 child (3 to 15) or $112 family. Our Lake Tekapo guide covers the stargazing and hot pool combinations.

Onsen Hot Pools, Queenstown

Perched above the Shotover River at Arthurs Point, Onsen is a private experience rather than a public pool. You book a cedar-lined hot pool for 60 minutes (1 to 4 guests), an Oval Onsen for one or two, or Tri-Bathing with a cold plunge and steam shower. It is open 9 am to 11 pm, and when we checked it had released bookings up to 30 April 2027. Prices depend on the option and time, so check when booking.

Insider tip: book a hot pool for the evening after your biggest day out, such as the Tongariro Alpine Crossing, a Great Walk or a day on the ski fields. Your legs will thank you, and evening slots at places like Onsen and Polynesian Spa’s private pools are a good way to see the stars.

Free natural pools

Otumuheke Stream, Taupō

In Spa Thermal Park, about five minutes’ walk from the car park, a naturally hot stream flows into the Waikato River. It is free and very popular. DOC warns the Waikato River itself is deep and fast-flowing, so stay in the stream and watch children. There are no changing rooms.

Hot Water Beach, Coromandel

Geothermal water rises through the sand near the southern end of the beach. Dig a hole and you have your own hot pool.

• When: roughly two hours either side of low tide
• Spade hire: about $10 from nearby cafés or the holiday park
• Heat: the source water can reach about 64°C, so test before you sit
• Danger: Destination Coromandel says there is a strong rip, especially near the offshore rocks, and people have drowned there. Do not swim within 50 m of the rocks.

Our Coromandel guide has the parking prices and the rest of the peninsula.

Backcountry hot springs

Some of the best natural pools need a walk:

• Welcome Flat, Copland Track (West Coast): natural hot pools a short stroll from DOC’s Welcome Flat Hut, with views of the Sierra Range. DOC rates the track for people with good fitness (7 or more hours walking a day) and river crossing skills. The hut must be booked: from $30 a night in winter to $40 on summer weekends for adults. DOC asks you not to use soap or shampoo or dig new pools.
• Kaitoke Hot Springs, Great Barrier Island: an easy walk along the Kaitoke wetlands to hot pools dammed in Kaitoke Creek, about 45 minutes from Whangaparapara Road. DOC says the stream water may be hot.

Booking tips

1. Book private pools ahead. They are timed and sell out, especially in the evening and in school holidays.
2. Buy online for the cheapest tickets. Hanmer Springs’ saver tickets are only sold online, by 10 pm the day before.
3. Check opening hours and maintenance closures. Waikite Valley, for example, closes for two weeks in February 2027.
4. Bring your own towel. Polynesian Spa, for example, hires towels and lockers on site, which adds to the cost.
5. Check age rules. Polynesian Spa’s Pavilion Pools are 12 and over, Wairakei Terraces is adults only, and the hottest pool at Tekapo Springs is adults only.

Safety

This matters most in natural pools. Health New Zealand explains that amoebic meningitis is caused by an amoeba that lives in warm soil and can get into geothermal pools that are not concrete lined or chlorinated. In rare cases it enters the nose when your head goes under, and treatment is not usually successful. Its advice:

• Keep your head above the water at all times. Do not put your head under for any reason.
• Never jump, dive, splash or duck, as this forces water up the nose.
• Choose your pool carefully. Natural outdoor pools do not have to meet safety standards. Commercial pools should meet the New Zealand standard for pool water quality.
• See a doctor immediately if you get a headache, fever or vomiting. Health NZ says symptoms of amoebic meningitis usually start 3 to 7 days after swimming in a geothermal pool.

In natural pools, also test the temperature before you get in, as DOC warns stream water can be hot, and stay on formed tracks in geothermal areas.