Hellisheiði Geothermal Exhibition: Entry and Audio Tour

Iceland’s geothermal power story becomes much clearer when you see it at work beneath Mount Hengill. At Hellisheiði, you explore the largest single-site geothermal power plant on Earth through interactive displays, films, and an audio guide rather than simply looking at a scenic hot spring. I especially like the freedom to move at your own pace and the chance to learn about Carbfix, an Icelandic approach to storing carbon dioxide in rock.

The mountain and lava-field setting gives the visit a real sense of place, while the indoor exhibits make a technical subject easy to follow. I also like that staff are available for questions, even though this is not a traditional guided tour. The main drawback is clear: if you want a hardhat, safety vest, or escorted walk inside the working plant, this visit will feel more like a museum than an industrial tour.

Key points to know before you go

• See geothermal power at a working plant: Hellisheiði produces electricity and hot water beneath Mount Hengill.
• Use the audio guide at your own speed: English and Icelandic commentary is available through an Android or iOS device.
• Do not miss the production process display: Stop 9 is especially useful for understanding how underground heat becomes usable energy.
• Allow about an hour, or longer: You have no fixed departure time and can stay until closing.
• Look for the Carbfix room: This section explains the plant’s work on carbon storage and climate solutions.
• Bring your own headphones: You need a charged smartphone to use the self-guided audio tour.

Why Hellisheiði makes geothermal energy easy to understand

Geothermal energy can sound simple at first: Iceland has volcanic heat, so it uses that heat. The real process is more involved. At Hellisheiði, you get a clearer picture of the wells, machinery, production steps, electricity generation, and hot-water supply that turn underground heat into a public resource.

That practical setting matters. You are not learning about geothermal power in a classroom far from the source. The exhibition is attached to an operating power plant, with Mount Hengill and wide lava fields outside. The setting helps connect the diagrams and films to the real equipment and terrain around you.

The plant is roughly 20 minutes from Reykjavík, making it a useful stop on a drive through southern Iceland. Its official address is The Geothermal Energy Exhibition, Hellisheiðarvirkjun, 801 Selfoss, Iceland. You go directly to the exhibition entrance with your ticket, and free parking is available.

I would plan at least an hour here. You can move through the displays quickly, but that approach would miss much of the point. If science and engineering interest you, allow extra time for the audio commentary, films, and production display.

Entering the exhibition and getting your bearings

The experience is self-guided, so you do not join a timed group or wait for a guide to lead you from room to room. At the entrance, you can begin using the audio tour on your Android or iOS device. English and Icelandic are available.

Bring headphones. This is one of those small preparations that makes a real difference, especially if you want to listen closely while standing near interactive exhibits or watching films. Bring a charged smartphone as well. The audio guide is included, but your own device powers the experience.

The flexible format works well for families and mixed-interest groups. One person can spend longer with a technical display while another moves ahead. You can pause, listen again, or skip material without holding up a group.

The tradeoff is that there is no employee-led explanation built into the visit. Staff are available to answer questions, and one particularly helpful employee named Antonia has been noted for taking time with questions, but you should not expect a formal guided walk. If personal explanation is important to you, ask staff what they can clarify when you arrive.

Stop 9 explains the process best

The exhibition includes several stops, but I would make the production process display, Stop 9, an early priority. It explains how thermal power and hot water are extracted from the earth and processed for use.

Starting here gives the rest of the exhibition a useful framework. Once you understand the basic industrial process, the other displays about Iceland’s energy system and environmental work make more sense. You can then return to sections that caught your attention instead of trying to piece everything together from separate screens and signs.

This is also where the visit feels most valuable for anyone who has only a general idea of geothermal power. The process requires research, engineering, major infrastructure, and careful spending. The exhibition helps show that Iceland’s energy system is not simply a gift from nature. It depends on a large, carefully managed operation.

The explanations are designed for a broad audience. You do not need a technical background to follow the main ideas, although science-minded adults, teenagers, and teachers may want to spend more time with the details. A science teacher could also find useful material here for explaining energy, geology, conservation, and engineering in the classroom.

Interactive displays and films for different ages

The exhibition mixes audio commentary with interactive features and films. That variety keeps the visit from becoming a long row of text panels. You can watch, listen, press through information, and then look out toward the actual surroundings.

Adults and older children should be able to follow the main story without much trouble. Younger children may need some help, especially when the displays move from simple ideas into the more complex production process. The experience is family-friendly, but it is not a play center. Children who enjoy machines, buttons, screens, or natural science will get more from it than children looking for a purely physical activity.

The films add useful visual support. They show the work of the plant in a way that diagrams alone cannot. The audio guide also gives you a steady explanation as you move through the exhibition, though the order can feel a little disconnected if you simply follow it without a plan.

My suggestion is to treat the audio guide as support, not as a strict route. Start with the production process, then explore the interactive displays and films that interest you most. You can return to the audio stops as needed because there is no time pressure.

The Carbfix room and Iceland’s environmental goals

A special part of the visit is the Carbfix room. It explains the power plant’s partnership with Carbfix, a company associated with carbon storage and responses to climate change.

This section adds an important layer to the visit. Geothermal power is often described as green and sustainable, but large energy systems still raise questions about emissions and long-term environmental effects. The Carbfix display shows how Iceland is working on those problems rather than presenting geothermal power as a perfect answer with no limits.

You do not need to be an energy specialist to appreciate the point. The exhibition connects the power plant to a wider effort to reduce the impact of energy production. That makes the stop useful for anyone interested in climate policy, renewable energy, or how new technology can be applied to an existing industry.

The Carbfix room is also a reason to avoid rushing through the exhibition. It gives you more than a basic explanation of hot water and electricity. You see how Iceland’s energy work connects with research and environmental planning.

Viewing platforms bring the subject outdoors

The viewing platforms inside the exhibition let you look out at Icelandic nature while thinking about what is happening underground. Around the plant, you can see lava fields, moss, mountain scenery, and the slopes of Mount Hengill.

These views are not a separate sightseeing stop, but they help put the subject in context. The plant is built in a place where geothermal activity is part of the surrounding geology. Looking outside after learning about the production process makes the machinery and energy system feel less abstract.

The scenery also gives the visit a welcome change of pace. You can step away from the screens and displays, look across the area, and then return to the information with a better sense of where the heat comes from.

Weather may affect how enjoyable the outdoor views are, so do not judge the experience only by the platforms. The main value is indoors, but the setting adds something that a city museum could not provide.

How long to stay and when to visit

The experience is valid for one day, and start times are flexible. Once inside, you are welcome to stay as long as you like until closing. That makes it easy to fit into a southern Iceland road day without committing to a fixed group departure.

Opening hours change by season:

• November 1 through March 31: 9 a.m. to 4 p.m.
• April 1 through October 31: 9 a.m. to 5 p.m.

Check the seasonal hours before setting out, particularly in winter when daylight is limited. The plant is near Reykjavík, but the visit still works best when you allow time for the drive, parking, and a relaxed look around.

An hour is a sensible minimum. You can spend less time if you only want the main explanation, but that makes the $21 admission harder to justify. With time for Stop 9, the films, the Carbfix room, the interactive displays, and the viewing platforms, the price feels more reasonable.

Is the $21 admission good value?

At $21 per person, this is not a cheap roadside stop. It is also not simply an observation deck or a short presentation. Your ticket covers entry, the self-guided audio tour, the interactive exhibition, the films, and free parking.

I think the value depends on how much attention you give the subject. If you only want a quick photo near a power plant, the price may feel high. If you spend an hour learning how Iceland produces electricity and hot water, then add the Carbfix material and outdoor views, the visit offers a worthwhile educational stop close to Reykjavík.

The self-guided format helps keep the experience flexible, but it also explains why some people may want more for the price. You do not receive a dedicated guide, plant walk, hardhat, safety vest, or special access to massive industrial equipment. The exhibition lets you understand the operation, but it does not give you a worker’s-eye tour of the plant.

For families, the cost can add up. Still, the flexible timing means you do not pay for a long scheduled tour that may not suit everyone. For adults, students, teachers, and anyone interested in renewable energy, the admission is easier to defend.

Who will enjoy Hellisheiði most?

I would recommend this experience to you if you like science, technology, engineering, climate issues, or the practical side of Icelandic life. It is especially useful if you want to understand how a country with abundant geothermal resources turns them into everyday energy.

Teenagers can get a lot from the interactive displays, particularly with a little guidance. Younger children may enjoy the hands-on parts but need an adult to explain why the machinery and energy process matter.

The exhibition also suits a rainy or windy day, since much of the visit takes place indoors. It is wheelchair accessible, which makes it a practical choice for many visitors who need an accessible attraction.

You may want to skip it if your Iceland plans are focused only on waterfalls, glaciers, and outdoor scenery. The surrounding views are attractive, but this is primarily an educational visit. It rewards curiosity more than sightseeing alone.

Practical advice before setting out

Book only if the date and timing fit your plans, since the experience is flexible once you arrive. You can reserve now and pay later, and cancellation is available up to 24 hours in advance for a full refund.

Take headphones and charge your phone before leaving. Those two items matter more here than extra equipment. Food and drinks are not included, though they are available to purchase on-site.

The host or greeter speaks English and Icelandic, and the audio guide is offered in both languages. You can ask staff questions during your visit, but remember that this is a self-guided exhibition rather than a scheduled tour with a named guide.

If you want the clearest learning path, go first to Stop 9, then follow the audio guide through the interactive exhibits. Save time for the Carbfix room and the viewing platforms. That order gives you the basic process first, then the wider environmental story and the setting outside.

Should you book the Hellisheiði exhibition?

Yes, if you want a clear and practical introduction to Icelandic geothermal power. The exhibition explains a subject that is central to Iceland but easy to take for granted. Its strongest points are the working-plant setting, the excellent interactive elements, the flexible self-guided format, and the chance to learn about Carbfix.

I would be more cautious if you expect a behind-the-scenes industrial tour. You will not be issued safety gear or led through the plant by an employee as part of this admission. For that reason, think of Hellisheiði as a well-designed science and energy exhibition attached to a power plant, not as an escorted plant inspection.

At $21, give it about an hour and use the displays actively. Start at Stop 9, bring headphones, and ask staff questions when you need help. Done that way, Hellisheiði is a useful, unusual stop near Reykjavík that shows how Iceland’s natural heat becomes part of daily life.

FAQ

Where is the Hellisheiði Geothermal Exhibition?

It is at The Geothermal Energy Exhibition, Hellisheiðarvirkjun, 801 Selfoss, Iceland, roughly 20 minutes outside Reykjavík.

What does the admission include?

Admission includes entry to the Geothermal Exhibition, a self-guided audio tour for Android and iOS, and free parking.

Is the tour guided by an employee?

No. The experience is self-guided with audio commentary. On-site staff are available to answer questions.

Which languages are available?

The host or greeter and the audio guide are available in English and Icelandic.

How long does the visit take?

You can stay as long as you like after entering during opening hours. About an hour is a useful amount of time for seeing the main exhibits, films, production process display, Carbfix room, and viewing platforms.

Do I need to bring anything?

Bring headphones and a charged smartphone for the audio guide.

Is the exhibition open year-round?

The listed opening hours cover winter and summer seasons. From November 1 through March 31, it is open from 9 a.m. to 4 p.m. From April 1 through October 31, it is open from 9 a.m. to 5 p.m.

Is the exhibition wheelchair accessible?

Yes, the activity is wheelchair accessible.

Can I cancel my booking?

Yes. You can cancel up to 24 hours in advance for a full refund. You can also reserve now and pay later.