Ten Days in NZ: Glowworms at Waitomo

Glowworms are one of the most unique and beautiful secrets of wildlife in Aotearoa. Although various bio-luminescent insects exist throughout the world (I used to chase and catch fireflies in the New England area of the US when I was a child -releasing them after an hour or so of intense admiration), and however fascinating these glowing bugs are, there is nothing quite like the underground galaxies in the caves of New Zealand. My trip could not have been complete without a visit.  As a bonus, I got to try my first black water rafting experience, too!


While I originally hoped to do the caves before the Hobbits, it turned out to be a good thing that my plans got swapped. Sunday had been beautiful and sunny as I wandered through Hobbiton, but I woke up Monday to a grey sky and light rain. Weather that would have put a damper (pun intended) on Hobbiton became wholly irrelevant to my enjoyment for the day since I would be spending it underground. Prior to my arrival in NZ, I had been under the impression that the glowworms only lived in caves, so I scheduled some time for myself to explore underground. My foray unsupervised into Waipu had been a wipe out, so to speak, but Waitomo offered plenty of guided tours that also included all the special caving equipment. As happy as I had been to learn that glowworms could also be seen in the bush, as magically fairy dusted as I was to have been able to find them not once, but twice above ground, I was still eager to see them in the caves where I was told their numbers were greatly increased, and where we would view them with no other light source but their own bio-luminescence.

There are several companies running a variety of tours in the caves at Waitomo, so feel free to shop around. I didn’t realize how many there were until I arrived at the hostel and saw the wall of brochures. Most of the companies don’t do a whole lot of online advertising, but if the options you find online don’t make you happy, rest assured there are more. The main types of tours are simple walking tours (no equipment needed), gentle boat tours (a group in a boat floating through the caves), adventurous caving/black water rafting (gear supplied, reasonable fitness required, clambering around and getting wet), and insanely adventurous caving (gear supplied, good fitness, zip-lines, fox-lines, rappelling, wall climbing, etc). Each of the companies offers some variety of these and everyone’s camera policy is different, so it’s just a matter of finding the one that fits you. I went with a winter sale that gave me one walking tour and one black water rafting tour. Ultimately, despite the fact that there were three caves to go through, I chose to to both tours in the same cave, Ruakuri.

Entering Ruakuri

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I scheduled my walking tour first. I arrived at the tour center in time to get registered and check out what would be my lunch options later in the day. We didn’t need any special gear for the walking tour, so when the guide showed up, I just hopped in the van with her and we rode off to collect the other guests. (there are multiple pick up spots, too). We had a small group, just 6 of us including our guide, so it was a nice private feeling tour.

Ruakuri means “two dogs” in Maori and as we stood in an entirely fake made-of-concrete cave entrance, our guide explained that the cave was so named because one day the local tribe spotted a pair of dogs in the mouth of the cave. Dogs were rare, as only the kuri that the migrating Maori had brought with them from Polynesia lived in NZ before the British came. Kuri were valued for fur and meat (not necessarily as companion animals the way we think of dogs today), and the fur was reserved for those with the highest standing. So it was that when this tribe found the dogs, they killed them and made their fur into a cloak for the chief. Whenever he would win a great battle, he would go to the cave and lay the cloak down on the ground in thanks. It became known as two-dog cave, or Ruakuri.

The reason we were standing in a concrete cave instead of a limestone one for this speech is that the Maori also believe that caves are entryways to the underworld and would often place the bodies of the dead in cave mouths to help their spirits on the way. The original British invaders didn’t really care, but since then the Kiwis have developed some cultural sensitivity (and laws) about Maori ancestral burial sites, and a new entrance had to be constructed. Given the context, I don’t mind in the least.

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Once inside, we passed through a very James Bond Villain sort of airlock tunnel that was part of the system to help regulate air, temperature and moisture within the cave. We emerged at the top of a spiral of softly glowing lights. When the new entrance was built, the owners of the land decided that they wouldn’t just make do with a stairwell or switchback, and instead installed a rather stunning ramp that gently wraps around the wide cylindrical shaft, making Ruakuri the only wheelchair accessible cave in New Zealand (and several other countries, I’m sure). From the ceiling above us came a thin but constant stream of water, beating down upon a worn stone below. When we reached the bottom, we were offered the opportunity to use the stone basin where the falling water collected to wash our hands, a symbolic act I have encountered in Buddhist and Shinto temples that is also present in Maori beliefs that cleanses the impurities of the world from one before entering a sacred space.

A Cave Walk

20160822_111607Once inside the cave, we were treated to chamber after chamber of beautiful limestone growths and formations. I’m lucky enough to have explored several of the best limestone caves in the US and I still found this one to be both beautiful and worthwhile. Like everything in NZ, the cave could not just be one type of landscape, but changed continuously as we traveled. In addition to the stunning stalagmites and stalactites, we saw curtain formations, several alternate types of mineral formations I don’t know all the names of because I’m not a geologist, some fossil seashells, some heavily layered rock, at least one natural chimney in addition to the man-made tube used to pipe in the concrete for the wheelchair safe pathways, and of course the glowworms. I should mention that anywhere a concrete path would have damaged formations, they instead used metal catwalks, sometimes bolstered from the floor, sometimes the walls, and at least once, suspended from the ceiling. They did everything possible to keep the cave intact while also making it accessible to everyone.

Seeing the glowworms up close in the cave was definitely a treat. Our guide shone her lamp askance onto a wall full of the little bugs, causing the feeding strings to become visible. Although I knew they must be there, when I was in the bush, I hadn’t wanted to shine a light directly onto the worms, and so didn’t really see the webs. But here, because of the shape of the wall, she was able to side-light the webs while still leaving most of the worms in darkness, meaning we could see both at the same time. My camera almost captures what that looked like, and certainly gives a clear view of the feeding lines. While only a few of the brightest bugs show up in the black portion of the photo here, to the naked eye, that space was covered in tiny blue dots of light.

20160822_105000Glowworms are larval insects who secure themselves to something dark and damp like the cave wall, then lower a strand of sticky silk. When some poor unsuspecting flying insect thinks their little glow is the moon and gets trapped in the web, the glowworm can then reel in the line and dine on the trapped flier’s brains. They are also quite territorial, so we were warned to be careful not to move the strands lest they become entangled with one another and cause a fight to the death to ensue between neighbors. It’s a little dichotomous to think of these beautiful serene lights as emanating from violent brain eaters, but then again, the fairies they are so often likened to are said to be beautiful yet cruel as well, so perhaps that metaphor is not so far off.

The cave was nicely lit for the walking tour, and you can see the rest of my photos over on Facebook here.

Black Water Rafting

After lunch, I had my second cave trip planned for a higher level of adventure. Black water rafting is so named because in the cave there is no light, so the water is black. It’s not merely an underground version of whitewater rafting, which is done in multi-person boats down exciting rapids and involves lots of coordinated paddle maneuvering to avoid rocks and whirlpools. In caves the water does not flow so predictably in a space where we can be assured of having air all the time, and there is certainly not enough light to see obstacles far ahead. So black water rafting is instead a kind of wet spelunking with an inner-tube.

20160822_170541.jpgWe started off by changing into some cave climbing wet-suits. These weren’t just regular SCUBA suits; they had special padding on the knees and bottom to help prevent injuries as we crawled and scooted around in the small tunnels. These suits were also 2 pieces, an overall style pants part and a long jacket. I am a short, round person and no neoprene suits were designed to my measurements even a little bit, so by the time I get something that fits my shoulders, bust and hips, its about 6 inches too long everywhere else, legs arms and torso (and rather unfortunately, it pushed up on my neck and chin so I had to unzip the first 5 inches of the jacket just to be able to breathe). In addition, the material is very stiff, so I felt like I was wearing a suit of armor built for someone 6 inches taller than me. I was suddenly very glad I’d decided on the less extreme version of the extreme adventuring.

Training Time

Despite feeling like a sausage in a tin suit, I was excited for the journey and waddled along after the taller and more lithe members of the group toward the inner tubes for our training. There were 6 people (7 with guide) in this group, which was a good size. We learned how to use our helmet lights, and how to link together in an inner-tube chain so we wouldn’t loose each other in the dark float, and finally we learned how to jump off a waterfall backwards. Yep, backwards.

I had read in the description of this adventure that it would include 2 waterfall jumps. I’m not sure what I had in my head, there were pictures on the website of people in inner-tubes floating along, perhaps I though we would just go over that way, or jump feet first with the tubes around our waists, but the reality was much more ridiculous. We went to a short pier over a day-lit portion of the stream to learn the proper backwards waterfall jumping technique. It is this: stand firmly at the very edge of the jumping platform, hold your inner tube to your bottom and resist the urge to bend your waist or knees too much. Kick off and out from the platform into the empty space behind you, splash butt first into icy river water which then floods up your sinus cavity and trickles into parts of your wet suit that were previously warm.

Wet Spelunking

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Once we finished our brief training, we headed over to a totally different entrance of Ruakuri than the walking tour had taken. Within the cave, the river was often not deep enough or wide enough for us to float on the inner tubes, so we spent a significant portion of the adventure carrying them or passing them around. However, the river was always underfoot which meant that walking involved keeping our balance in various intensities of rushing water and finding footing under water we could not see the bottom of (not because it was cloudy, but because of the lack of light and/or the white water foam). We often had to sit and scoot or sit and jump to get down steep ledges. Our guide knew the terrain well, however, and in difficult passages would tell us all exactly where to put which foot, knee, hand or elbow for the best way through.

In one section of the cave, we were getting ready to enter a passage that required us to crawl hands and knees, but it was up from the main passage. The guide pointed to two divots in the rock and told us to put a right foot in one and the left knee in the other to get up. The step was about mid thigh height on me (another advantage you tall people have) which is something that is a little challenging but realistically achievable for me in “normal” clothes. However, at this point the overlong legs of my wet-suit became more than merely foolish looking because the stiff extra fabric was preventing me from lifting my leg high enough to reach the step! I felt like I was trying to lift my foot with a 40lb resistance band on my leg. I couldn’t even get my foot past mid-calf height and one of the other adventurers had to help by grabbing my foot and putting it up into the step. It was pretty embarrassing not to be able to do it for myself, but I was glad to be with people who so readily lent a hand. Once I got in the tunnel, I had the advantage over the taller folks, though, and I wiggled on through getting nice and warm in the process.

We came out back into the same chamber we had left our inner-tubes in. It turned out the crawling tunnel wasn’t strictly necessary but rather a fun part of the caving experience that we could do without loosing our floaties. After all, it’s not really caving if you haven’t had to wiggle through a tight fit, right?

Waterfall Jumping

We were scheduled to be underground for a little more than 2 hours, and quite a bit of that was spent making our way through the shallow but fast running water. When we came upon our first waterfall I hung back a little to try and get an idea of what the whole thing looked like. Our helmet lights weren’t very powerful (probably good so we didn’t blind one another) Even standing near the edge of the fall, I couldn’t get a sense of how far below the water was. When the first brave volunteer took the plunge, it became obvious it was only a short drop and was really no different from flopping down backwards onto a bean bag. Even knowing it was totally safe, knowing hundreds of people had done it before me and that the guide knew the space well enough to help me place my feet in just the right place, I still got some serious tummy butterflies. Unlike the pier, which is flat, dry and made of wood, we had to stand on an uneven rock ledge with water rushing past our feet… backwards. At one point my guide asked me to step a little closer to the edge to prepare for my jump and I think that tiny step was actually more nerve-wracking than the actual leap.

The water got less predictable and less shallow as we progressed. There was a churning whirlpool of doom that was called something like the concrete mixer or the meat grinder, but basically don’t fall in it because it will suck you under and batter you blue. The floor became more uneven so I would go from ankle deep water into knee deep water in one step. I spent a lot of time with one hand on the wall trying to keep my feet from being swept out from under me by the fast moving water, while my other hand held the light but cumbersome inner-tube. I had a blast. I’ve been caving in places that you had to bring your own light, the Ape Caves and Guler Ice Caves near Seattle were like that, but they were merely damp and required no special equipment beyond a light. I went spelunking ages ago with my father in a place that gave us overalls and had us rappelling down walls and wiggling through tiny tunnels. This was the first time I’d been able to do more than just look at an underground river and despite the nerves. It was a beautiful and rewarding climb.

A Galaxy of Glowworms

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The true prize at the end of the tunnel were the two spots of deep slow water where we could lay in the tubes we’d dragged all this way and relax as we looked up at the cave roof. It’s a prize because here is where the glowworms live in large numbers, occupying much more space than any of the passages we had walked through up until then. For the first segment our guide had us link up, holding the shoes of the person behind us to form a chain, and then he grabbed on to my boots (I was in front at this point) and towed us all along behind him as he waded forward. We all turned our lights off to have the best possible view of the glowworms, which also means that while we were all going oooh aaah and floating along, our guide was pulling us along by memory in pitch blackness, so kudos to that guy.

It’s hard to describe the actual sensation. It helps if you’re not claustrophobic, I suppose, but the cave is fairly open at this point. Once the lights go out you have the very unique physical sensation of floating, because you are, with almost no visual reference at all. The water is ice cold, but the suits were doing their job and I wasn’t cold. I was not alone because I had the reassuring grip of the guide’s hand on my toes and my own grip on the boots behind me. And all at once I had no butterflies at all. It was the safest most peaceful feeling floating in the blackness with these people hundreds of feet under the earth.

Then I look up and it is nearly as though I am outside staring up at a night sky free of light pollution. The ceiling is covered in tiny glowing blue lights. It doesn’t look like the photographs. Those photographs are low light exposure or even time lapse and they make the bugs look like LED lights or computer animations from Avatar. I don’t mean to suggest the reality is a let down at all, just that I can’t show you what it looks like in a photograph. When you see a sunset, or the starry sky, or the full moon at dusk and you know that there is no way any photograph will ever capture that moment, it’s like that. As I lay on my inner tube floating in complete blackness, my only cues of movement coming from my inner ear and the slowly shifting perspective of this underground galaxy above me. I realized soon that the bugs weren’t evenly distributed across the ceiling like stars, but rather following a path like the river itself, winding and bending, widening and narrowing as it led us forward.

The Total Ecosystem Experience

With no lights, no watch and no way to tell how long I had stared hypnotized by this phenomenon, I felt both like an eternity had passed and that it had passed too quickly. Soon it came time to turn our lights back on and navigate our way to the next goal. After a bit more climbing, wading and one more waterfall jump, we came to what our guide called the lazy river. The current was strong enough to keep us moving forward and this time we did not link our tubes to float, but set off as individuals. The sensation was different.

Firstly because I had to put my hands in the water from time to time to paddle, and since I had no inner tube behind mine, when I tilted my head back for the best view, my hair dunked into the water as well, giving me quite the chill, though not unpleasantly so. Also, as we were at the mercy of the currents, I often drifted into walls that I had to push off, while not pushing so hard as to throw myself into the opposing wall. This meant that I was more engaged with the cave itself than the first float, but I was also not engaged with the other people except when we bumped into one another. The experience was no less intense or amazing for that, but instead of feeling an almost outer space quality of the first float, I was tangibly aware of the water and the rock through my bare hands, connecting the river, the cave and the beautiful but carnivorous lights above me into one ecosystem.

Wrapping Up & Moving On

I probably could have lay and stared at that view forever, but too soon it was over and we headed to the exit. It was a good level of adventure, physically challenging enough to make me feel like I’d done something and to make me ok with only doing the 3 hour version, but not so grueling as to make me not able to enjoy the calm and peaceful portions. The backward jumping waterfalls were a new type of face your fears activity that really helped remind me of the joy of leaping into the unknown. And the slow floats under the gentle blue glow of the unique little bugs are an image I hope to treasure for many years to come.

20160822_170414When we got back to the base, we took a final victory picture, doing our best to imitate the Olympic rings for the Rio Olympics. Then we peeled off the wet suits and ran shivering in our bathing suits into the hot showers to warm up and clean off before getting into dry clothes. They also had some hot soup and toasted bagels for us in the cafe when we came in so we could replenish some calories and get warm from the inside too. Our guide did his best to take photos of us in the cave, but was by himself that day and often had his hands full helping one or more of us find the foothold or handhold we needed to get through. Nonetheless, they did show the photos of our group up on big TVs for us to see while we sipped our soup. Most of the pictures were of us outside the cave or in the cave mouth, so it’s not especially great at capturing the in cave experience visually. Hopefully I painted a picture with my words.

I spent a long time lingering in the cafe and ended up chatting with two Chinese ladies returning from their own caving trip. We had a good talk about Buddhism and how to look for the teachers the universe sends us outside the temple as well as how to find and follow the path that’s set out for us in each life. This is something I give a lot of thought to, as I tend to spend more time in the world than in the temple. One of the girls said she hoped I could help more Westerners understand Buddhism better, which is a pretty lofty goal. When I found out they were going to Rotorua next, I gave them all my Google Map data for the hot springs there. I may not be destined to spread the Dharma to the West, but I can at least help a fellow traveler find some hidden treasures.



Waitomo was my last full day in the Land of the Long White Cloud. I drove back to Auckland that evening in preparation for departing the next day. It was hard to watch the rural roads return to urban highways, knowing that I would bid farewell to this land that had greeted me so warmly, but the stories aren’t quite over yet. There’s one more post coming after this one, filled with the odds and ends of smaller precious experiences that didn’t fit into any of the larger narratives so far. As always, thanks for reading and please check out my Facebook and Instagram for everyday updates in my travels! ❤

 

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2 thoughts on “Ten Days in NZ: Glowworms at Waitomo

  1. Pingback: Ten Days in NZ: Odds & Ends | Gallivantrix

  2. Pingback: Malay Peninsula 12: Koh Lipe part 2 | Gallivantrix

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