Silfra Fissure Snorkeling + Lava Tunnel Tour – SuperSaver Combo

Two worlds, one long day.

This combo tour is interesting because it pairs claustrophobic lava-tunnel caving with calm, floaty Silfra snorkeling inside a UNESCO place. I like that they include the gear and staff support so you are not figuring things out on your own. I also like that it is built for people with limited time in Iceland: two major stops, one organized day.

The main thing to plan for is cold and comfort. In winter, getting into the dry suits and waiting around can take longer than you want, and a few people have described wet or leaky suit problems. If you hate delays or getting dressed in bulky gear, this may feel like a lot.

Still, the day is a strong hit list. You start underground at Raufarhólshellir, then you switch gears to surface sightseeing at Thingvellir National Park, and finally you go under at Silfra, between two continents.

Key points worth knowing before you go

Gear is included, but do a fit check yourself so nothing feels too loose or too tight before you get in the water.

Silfra snorkeling is a real between-continents moment as you drift near the North America–Eurasia boundary.

Expect some waiting around meals and transfers even when the actual adventure time is short.

Underwater photos are included, and guides like Siggy and Oliver have been praised for photo help.

Hot chocolate and cookies happen after snorkeling, which is the nicest possible finish to a cold swim.

Small-group limits matter with a maximum of 18 people on the activity.

Lava tunnels first: what Raufarhólshellir feels like

I like the way this tour starts underground. The Raufarhólshellir lava tunnel setting is dark, cool, and surprisingly colorful, with rock shapes that look like they were sculpted by time and fire. You crawl, walk, and negotiate uneven ground, which makes it more active than a simple museum tour.

The gear for the caving part is included, and that matters because you are not hunting down headlamps or specialty suits on your own. You also follow your guide through the tunnel where they explain how lava tunnels form and what you are seeing underfoot. People have mentioned guides like Jonas and Apollo for making the lava science understandable and fun, and that fits the vibe here: hands-on and practical.

One practical note: this part is not a stroll. The tour asks for moderate physical fitness, and the minimum age is 12 (with an adult guardian for anyone under 18). If you have knee trouble or you hate confined spaces, you should think hard before booking.

Thingvellir National Park: a UNESCO stop you actually use

Thingvellir is famous for a reason, and a lot of people miss it because they only race past it. Here, it is not the full day show, but it still gives you a real chance to connect the dots between geology and people—tectonic plates meet a landscape that shaped Iceland’s history.

You will have a guided visit at Thingvellir as part of the same day. That pacing is smart: you start with literal volcanic rock underground, then you step outside to see the plate boundary area in daylight, and then you go back under again at Silfra. The whole itinerary works like a geology lesson with two different classrooms.

The tradeoff is time. Since lunch is on your own and the day is long, you may not have the kind of slow, linger-at-the-viewpoints time you would get from a dedicated Thingvellir day.

Silfra snorkeling: the between-plates moment (and the cold reality)

Silfra is the star for a reason. You snorkel at the fissure where North America and Eurasia are separating, and the water visibility is the main headline—clear enough that you feel like you are swimming in a living aquarium. I like that the guide is PADI-certified (listed as a PADI-certified guide / certified divemaster), because in cold water, good instruction is not just nice—it is the difference between a smooth swim and a stressful one.

Here is the reality check: this is cold water. Even with dry suits, you will feel that chill on your hands and face area where suit design requires opening and movement. In winter, one of the biggest friction points people report is not the swim itself—it is the suit-up process and the time spent waiting while gear gets sorted.

You will likely get a lot of instruction right before you go in. Your guide will show you how to breathe, how to move gently, and how to drift without fighting the water. If you get a good guide—people have praised Siggy for being patient and helpful, and Kevin for calm safety-focused coaching—you will feel more confident quickly.

Photos: included, but timing and group flow matter

Underwater photos are included, taken by your guide. That is a huge value add because Silfra is not the easiest place to manage a phone. Still, a couple experiences in the provided info mention that photo delivery can vary when groups split or schedules slip, so if photos matter to you, ask about the photo process early the day of your snorkel session.

Gear and what to bring: staying warm and functional

Gear inclusion is one of the best parts of this tour. You get the necessary caving and snorkeling equipment, plus the tour provides a structured way to get suited up. After snorkeling, you also get hot chocolate and cookies, which is basically Iceland’s version of a victory snack.

But you still need to come prepared. The tour asks you to bring warm base layers, a towel, thick socks, and a change of clothing. They also recommend thermal underwear, gloves, a hat, and good hiking shoes for the cave and walking parts.

Here are the details that can make or break your comfort:

• Snorkeling masks cannot accommodate glasses. If you need correction, arrange contact lenses in advance.
• You must be able to swim, and the tour includes a weight limit (45–120kg) and a height range (150–200cm).
• Pregnant women cannot participate in the snorkeling portion due to risk of cold water entering the suit.
• Medical issues listed in the tour handbook require doctors approval, and some conditions need signed medical clearance.

If you do anything, do this: read the Silfra snorkeling handbook before you go. It is explicitly recommended, and cold-water safety rules are not the place to wing it.

The itinerary flow: how the timing works in the real world

The day runs long—about 10 hours—with three main stops. You start at Raufarhólshellir, then you move to Thingvellir, then you head to Silfra. After the snorkel, you are dropped back at your original departure point.

What makes the pacing tricky is that it is a combo tour. You have more transitions than a single-activity day, so the “real time” you spend can include waiting: for suit fitting, for group changes, and for lunch on your own. One person described a long wait at a bakery without a bathroom, which tells me you should plan to use facilities before suit-up time and keep your tolerance for delays fairly high.

Lunch is not included. You can bring a packed lunch or buy food at designated stops. If cold weather is your concern, bring simple snacks you can eat quickly even if you feel rushed. This is not the day to rely on a perfect timing window for a sit-down meal.

Pickup and transfers: convenient, not always instant

The tour can include pickup from downtown Reykjavik if you choose that option, and the ride is in a climate-controlled minibus. If you do not select pickup, you meet the group at Raufarhólshellir.

Pickup can take up to 30 minutes. That is a big deal if you are trying to time your departure from Reykjavik precisely. When pickup runs long, it also squeezes your day, which can add pressure later when you are suiting up for Silfra.

They also offer an upgrade option that includes Reykjavik transfers. If you value simplicity over effort, that can be worth it—especially if you are already tired from driving, checking in to hotels, or bouncing between waterfalls and viewpoints.

Price and value: what you pay for this day

The price is $212.93 per person for a full-day combo. For that money, you get two guided activities, included caving and snorkeling gear, a Thingvellir visit, and complimentary underwater photos plus hot chocolate and cookies.

This can be great value if you were already planning to do both the lava tunnel and Silfra in one day. It can also be a good deal compared with cobbling together separate tours, because you get one schedule and one staffing setup for gear, timing, and instruction.

Still, the value depends on smooth operations. In the provided experiences, there are complaints about disorganization and equipment fitting issues during the snorkeling portion, including instances where someone reported a suit leak. That does not mean it will happen to you, but it is a reminder: this is a high-demand, cold-weather activity where small operational problems can feel huge.

Who this tour fits best (and who should reconsider)

This is for people who want a high-impact day and do not mind a little cold discomfort.

You will likely love it if you:

• Want lava-tunnel crawling plus Silfra snorkeling without juggling separate bookings
• Can handle moderate physical fitness needs
• Can swim and are comfortable being coached in cold water
• Want geology with real tactile detail, not just viewpoints

You should reconsider if you:

• Are sensitive to delays or long suit-up times
• Have difficulty with confined underground spaces
• Cannot meet the medical requirements (or need doctor clearance you do not yet have)
• Are not planning contact lenses if you need vision correction

One more practical note: the tour requires reviewing the Silfra snorkeling handbook. If reading safety instructions bores you, do it anyway. It could save you a miserable day.

Should you book the Silfra Fissure Snorkeling + Lava Tunnel Tour combo?

I think it is an easy yes for the right kind of traveler. If you want two iconic South Iceland activities on the same day, and you are prepared for dry suits, cold water, and some waiting, this is a solid way to spend your time.

It is a maybe if your top priority is comfort over cold and schedule. The experiences in the provided info include both unforgettable snorkeling and real frustration with suit fitting or timing on some days, so I would only book if you can stay flexible and advocate quickly for proper fitting.

If you do book, do three things before you go: read the Silfra handbook, pack a real change of clothes, and plan for the suit-up process to take longer than you expect.

FAQ

How long is the Silfra Fissure Snorkeling + Lava Tunnel Tour?

It runs about 10 hours (approx.).

Where does the tour start?

It starts at Raufarhólshellir 816, Iceland.

Is pickup from Reykjavik included?

Pickup is offered as an option. If you choose it, you’ll be picked up from a location in downtown Reykjavik.

What gear is included for the caving and snorkeling parts?

All necessary caving and snorkeling gear is included.

Do I need to be able to swim?

Yes. The tour has a requirement that you must be able to swim.

Is lunch included?

No. Lunch is not included. You can bring a packed lunch or purchase food at designated stops.

What should I bring for warmth and comfort?

Bring warm base layers, a towel, a change of clothes, thick socks, and the tour also recommends thermal underwear, gloves, a hat, and good hiking shoes.

Can I wear glasses while snorkeling?

Snorkeling masks cannot accommodate glasses. If you need correction, arrange to use contact lenses.

What are the age requirements?

Minimum age is 12. Participants under 18 must be accompanied by a parent or adult guardian booked on the same tour.

What happens if weather is bad?

This experience requires good weather. If it is canceled due to poor weather, you’ll be offered a different date or a full refund.