From Reykjavik: Golden Circle and Lava Caving Adventure

Iceland’s most unusual stop comes first: Raufarhólshellir lava tunnel, where you walk, crouch, and sometimes crawl beneath an ancient lava field in the Blue Mountains. Then the day shifts above ground to Gullfoss, Geysir, Þingvellir, and Kerið, giving you both a hands-on geological adventure and the classic Golden Circle sights.

I like the strong mix of natural variety and the small-group format. I also like that the cave feels raw rather than dressed up for tourists, and that the tour includes caving gear, Reykjavik pickup, and WiFi on the bus. The tradeoff is a long, tightly timed day, with a bakery stop in an office-park setting and limited time at some Golden Circle sites.

Key points to know before booking

• Raufarhólshellir comes first: Prepare to spend about an hour underground, with narrow sections that may require crawling on hands and knees.
• The Golden Circle follows after lunch: You visit Þingvellir, Gullfoss, Geysir, and Kerið in one afternoon circuit.
• Mitch is one guide to hope for: His helpful manner and strong explanations earned special praise, though guide commentary can vary.
• Kerið adds a useful extra stop: The red volcanic crater and contrasting interior colors give the route more than its three famous headline sights.
• Pack for wet, cold conditions: Warm layers, waterproof clothing, gloves, a hat, and sturdy hiking shoes matter here.
• The $203 price buys a full day: It is good value if you want the cave and Golden Circle together, but less so if you prefer slow visits or a relaxed lunch.

Why start underground at Raufarhólshellir

Many Golden Circle outings begin with the familiar trio of Þingvellir, Geysir, and Gullfoss. This one begins in a very different Iceland, under the lava fields near Reykjavik.

Raufarhólshellir is an ancient lava tube. The tour takes you into the tunnel with a guide and the needed caving equipment. You are not simply walking along a paved path and taking a few photos. The cave visit is a physical outing, with low passages and narrow areas where you may need to crouch or crawl.

That is the appeal. You get a direct look at the volcanic forces that helped form Iceland. Inside, the rock shapes and rough surfaces make the geology easier to understand than a roadside viewpoint ever could. The experience feels more like an expedition than a standard sightseeing stop, although it is still arranged as a guided commercial activity.

Plan for about one hour underground, plus transport. The listed travel time from Reykjavik to the cave is roughly 40 minutes. The cave section has been especially well received, with guides praised for making the outing feel both safe and adventurous. One guide described in the tour feedback was funny and professional, a useful combination when the route gets tight.

Do not underestimate the physical side. The tour specifically warns that you will spend a lot of time on your hands and knees in very narrow, low parts of the cave. If you have back or knee problems, this is not the right activity. It is also unsuitable for people with mobility impairments.

Clothing matters more than the forecast

Icelandic weather can change quickly, and a cave outing makes poor clothing choices hard to ignore. Bring warm outdoor layers, a waterproof jacket and trousers, a hat, gloves, and good hiking shoes.

Hiking shoes, waterproof jackets, and waterproof trousers can be rented if you arrange this with the local operator in advance. Each rented item costs 1,000 ISK. That is a small extra cost compared with spending the day cold, wet, or uncomfortable.

Wear clothes you can move in. Bulky layers may get in the way when you are crawling through low sections. Your footwear should have a solid grip, since the cave floor may be uneven. Keep valuables to a minimum and follow the guide’s instructions closely.

The cave is available all year. In winter, the short daylight hours do not prevent the underground portion, but they can make the Golden Circle stops feel brief. One person taking the tour in late autumn noted having only about six hours of daylight, yet still found the day worthwhile. That is a fair warning: winter gives you less time for relaxed views and photos.

The bakery break is practical, not scenic

After the cave, the bus returns toward Reykjavik. You are dropped at Bakarameistarinn bakery in Holtagarðar, near a Bónus supermarket, with free time to buy lunch before the Golden Circle vehicle collects you again.

This split arrangement is the one awkward part of the day. The lunch stop is in an office-park area rather than a charming village or a scenic farm. It does give you a chance to eat, use the break sensibly, and avoid carrying a full picnic all day, but it is not a memorable Icelandic meal setting.

Allow for the timing carefully. The tour information describes a morning cave pickup beginning around 8:00 a.m., followed by a bakery break and a Golden Circle pickup around midday or 1:00 p.m. The exact timing can depend on your pickup location and traffic, so listen closely to the guide and be ready at the stated collection time.

You are responsible for buying your own food and drinks. I would keep the lunch simple and quick. A long café meal could leave you watching the second vehicle pull away, and the Golden Circle portion has a full schedule ahead.

Þingvellir puts geology and government in one place

The afternoon Golden Circle route begins with Þingvellir National Park, usually pronounced something like Thingvellir in English. This is one of Iceland’s most important historic sites and a UNESCO World Heritage Site.

Þingvellir was the original meeting place of Iceland’s parliament, making it a powerful stop even before you consider the geology. The park also shows the rift between the North American and Eurasian tectonic plates. You can see the ground split and pulled apart, a reminder that Iceland sits over active forces rather than a quiet piece of old rock.

The scheduled visit is about 25 minutes. That is enough for a photo stop and a short look around, but not enough for a long walk through every part of the park. The timing means you should stay close to the guide and return to the bus promptly.

I like this stop because it gives the Golden Circle some meaning beyond scenic photography. You see where political life began and where the earth itself is being pulled apart. Still, anyone hoping for a long Þingvellir walk should note that this combination tour treats the park as one stop among four, not as a stand-alone national park visit.

Gullfoss delivers the biggest visual hit

Gullfoss is the tour’s grandest waterfall stop. Water rushes down several stages of rock, including a dramatic drop into a deep gorge. The force and sound make it hard to treat as a quick roadside attraction.

The stop is listed at about 20 minutes. That gives you time to reach the viewing area, take photographs, and watch the falls from the marked viewpoints. It does not leave much room for lingering, especially if rain, wind, or slippery conditions slow your walk.

Bring waterproof layers even on a clear morning. Spray can reach the viewpoints, and the weather around the waterfall may feel colder than it did in Reykjavik. Hold onto hats and other loose items, since wind is part of the experience.

Gullfoss has a more polished visitor setup than the lava cave, which is useful for a short stop but gives the place a different feel. The contrast works well in this tour. Underground, you are dealing with tight volcanic passages. At Gullfoss, you face open space, moving water, and one of Iceland’s most famous natural sights.

Geysir shows the ground boiling

The Geysir geothermal area is the next major stop, with about 45 minutes to walk among steaming vents and bubbling pools. The original Geysir gave its name to geysers around the world, though the nearby Strokkur is the spring most likely to erupt at regular intervals.

The area can feel active in a way that is easy to understand. Steam rises from the ground, mud and water bubble, and the air carries the sharp smell of geothermal gases. Stay on the marked paths. The water is extremely hot, and the barriers are there for a serious reason.

Forty-five minutes is a useful amount of time here. You can wait for an eruption, walk between the main features, and take photographs without rushing as hard as you will at Gullfoss. The stop also works well after the waterfall because it changes the scale of the day from a huge river to small, forceful openings in the earth.

Guide commentary can make a real difference at Geysir. Some guides have been praised for clear explanations and extra care, while one person found the information during the Golden Circle section too limited. I would enjoy the sights first, then ask questions if you want more context. The quality of the spoken explanation may depend on who leads your particular departure.

Kerið adds color and a quieter finish

Kerið volcanic crater is the extra stop that helps this tour feel fuller than a basic Golden Circle circuit. The crater has red volcanic sides, dark rock, and a contrasting blue-green lake at the bottom. The colors are especially striking when the light changes.

You get about 20 minutes here, enough for photographs and a short look around the rim. As with the other stops, it is not a full hike. You should not expect a slow circuit of the entire crater or much time to study the formations.

Kerið also changes the rhythm of the day. After the power of Gullfoss and the activity at Geysir, the crater gives you a quieter place to look at Iceland’s volcanic past. It is a useful final stop before the drive back to Reykjavik, though wind and rain can make the rim feel exposed.

Transport, pickup, and the small-group advantage

The tour offers pickup from many Reykjavik hotels, hostels, bus stops, the central bus terminal, and Skarfabakki Harbour. You must choose and confirm your pickup point in advance, and any change should be made at least 48 hours before departure.

Central Reykjavik has many tour vehicles, city buses, and airport transfers using the same stops. One practical warning: pickup can be confusing, especially at a busy bus stop. Arrive early, check the exact stop name, and look for the correct vehicle rather than assuming the first bus is yours.

The tour uses a bus or coach and includes free WiFi onboard. The transfer times are substantial: roughly 40 minutes to the cave, another 40 minutes afterward, about 75 minutes to Þingvellir or between the main route sections, and around an hour back to Reykjavik. Bring water and something to occupy you between stops.

The small-group setup is a plus. It usually means less time getting people on and off the vehicle and a better chance to speak with the guide. It does not turn the day into a private tour, however. The schedule remains fixed, and the combination format means you share the day with people who may have different interests and physical abilities.

English is the operating language. Drivers and guides have received mixed but generally positive feedback. Mitch was singled out for strong explanations and practical help, even assisting one person with booking a puffin outing for the following morning. Another guide, Petro, was praised for being helpful and informed. That personal service can add a lot to a long day, but you should allow for some variation between departures.

Is $203 good value for a 10-hour day?

At $203 per person, this is not the cheapest way to see the Golden Circle. Yet the price includes Reykjavik pickup, transport, the cave visit, caving equipment, the four major sightseeing stops, and WiFi. If you already plan to book a separate lava tunnel outing, combining the two saves you from arranging another day and another round of transport.

The value is strongest for a first Iceland visit with limited time. You get the country’s best-known route plus an activity that feels very different from ordinary sightseeing. The day also works well if you want a guide and do not want to rent a car or manage winter roads.

The value is weaker for slow-paced sightseers. Þingvellir, Gullfoss, and Kerið receive short visits, and the bakery lunch stop is functional rather than atmospheric. Driving yourself would give you more control over timing, but it would not provide the same guided cave experience unless you book that separately.

Remember that food and drinks are not included. Add lunch to your budget, along with possible clothing or shoe rental. Free cancellation up to 24 hours ahead and the option to reserve and pay later make the booking less rigid, but the physical demands of the cave remain the main decision point.

Who should book this combination

I would choose this tour if you want a full day with plenty of variety and you are comfortable with a brisk schedule. It suits active adults, first-time visitors, and anyone who wants more than the standard Golden Circle three-stop outing.

It is also a good fit for people who enjoy geology. The cave, Þingvellir rift, geothermal springs, waterfall, and volcanic crater show different parts of Iceland’s natural story in one day.

I would skip it if you have knee or back problems, limited mobility, or no interest in crawling through a narrow cave. I would also look for a slower Golden Circle tour if your top priority is long walks, unhurried photography, or a relaxed restaurant lunch.

FAQ

How long does the tour last?

The tour lasts about 10 hours, including the cave visit, lunch break, Golden Circle stops, transport, and return to Reykjavik.

What sights are included in the Golden Circle portion?

You visit Þingvellir National Park, Gullfoss waterfall, the Geysir geothermal area, and Kerið volcanic crater.

Is the lava cave visit physically demanding?

Yes. The tour includes narrow and low cave sections where you may spend a lot of time crouching or crawling on your hands and knees.

What should I bring?

Bring warm outdoor clothing, a waterproof jacket and trousers, a hat, gloves, and sturdy hiking shoes. Hiking shoes and waterproof clothing can be rented for 1,000 ISK per item if arranged in advance.

Is lunch included?

No. After the cave visit, you have free time at Bakarameistarinn bakery in Holtagarðar to purchase lunch before the Golden Circle portion begins.

Is pickup from Reykjavik included?

Yes. Pickup and drop-off are available at many Reykjavik hotels, hostels, bus stops, the central bus terminal, and Skarfabakki Harbour. Confirm your chosen pickup location before the tour.

Should you book it?

Book this tour if you want to pack Iceland’s volcanic character and Golden Circle highlights into one well-filled day. The lava cave is the deciding feature: it gives you an active, unusual experience before the famous waterfall, geyser, national park, and crater.

Skip it if crawling underground sounds uncomfortable or if you want generous time at each stop. At $203, the tour makes the most sense as a convenience package for a first visit, especially when you value guided transport and a small group. Bring proper clothing, keep lunch quick, and expect a busy day rather than a leisurely one.