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Where to see glowworms in New Zealand (and what they actually are)

Waitomo's caves, Te Anau's boat trip, and the free roadside grottos most visitors drive straight past.

6 min read · updated 2026-09

New Zealand glowworms are not worms and they do not glow to be pretty. Arachnocampa luminosa is the larval stage of a fungus gnat found only in New Zealand. The larva hangs sticky silk threads from a cave ceiling or damp bank and produces a blue-green light by bioluminescence to lure insects into them. A hungrier larva glows brighter. It is a trap, and it is beautiful.

The famous places

  • Waitomo, Waikato — the best-known caves in the country, about 2 hours 15 minutes south of Auckland. Options run from a gentle boat glide beneath a glowworm-covered ceiling to black-water rafting through the cave system on an inner tube. Neighbouring caves at Ruakuri and Aranui add limestone formations.
  • Te Anau Glowworm Caves, Fiordland — reached by boat across Lake Te Anau, then a walk and a small punt into the cave. A different experience from Waitomo, with an underground waterfall.
  • Nile River / Charleston, West Coast — cave systems near Westport with guided trips.
  • Waipū Caves, Northland — a free, undeveloped cave you can walk into yourself with a torch and sturdy shoes. Wet feet guaranteed.

Free and roadside spots

  • Hokitika Glowworm Dell, West Coast — a signposted bank just off the main road on the edge of town. Walk in after dark and they are simply there. One of the best free wildlife experiences in the country.
  • The Riverside Walk and railway cutting at Kaikōura, and various dells around Franz Josef and Punakaiki.
  • Bush tracks near Rotorua, Whakatāne and Wellington's Zealandia (on its night tour) also hold colonies.

Light and noise both stop glowworms glowing, and touching the silk threads destroys weeks of work for the larva. No torches pointed at them, no flash photography, no touching. Give your eyes five minutes to adjust and you will see far more.

Which one should you choose?

If you want…Go to
The classic, easy, boat-under-the-ceiling experienceWaitomo
Something adventurous and wetWaitomo black-water rafting or Charleston
To combine it with FiordlandTe Anau
Free, spontaneous, five minutes after dinnerHokitika Glowworm Dell
A cave you explore yourselfWaipū Caves, Northland

Practical notes

Caves are cool year-round — bring a layer even in summer. Photography is difficult and usually banned inside commercial caves; accept that and just look. Waitomo tours book out in peak season, and the last tours of the day are often the quietest.

Common questions

Do you need a tour to see glowworms?
No. Waitomo and Te Anau are guided, but free roadside dells like Hokitika, and self-access caves like Waipū, cost nothing.
Can you see glowworms during the day?
Inside a dark cave, yes — that is why Waitomo runs daytime tours. Outdoor spots only work after full dark.
Is Waitomo doable from Auckland in a day?
Yes, and it is commonly combined with Hobbiton, though that makes for a 10 to 12 hour day. We run it as a private day tour with both stops.

Let someone else do the driving

Private day tours with a local driver-guide. You pick the stops, we handle the route, the timing and the roads — and you can change your mind on the day as long as the finish time still works.

Browse private day tours

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