Silfra: Fissure Snorkeling Tour with Underwater Photos

At Silfra, you float through a narrow crack in the earth where the North American and European tectonic plates are pulling apart. The water is so clear that the rocky bottom seems close enough to touch, even when it drops away beneath you. I love the otherworldly water colors and the fact that the tour gives you GoPro photos, so you can keep your hands free.

I also like the small groups, limited to six people, and the careful help from guides such as Anna, James, Kevin, Lillian, and Abby. The main drawback is the gear: a dry suit keeps your body dry but feels tight, heavy, and awkward while you walk to the water. Your face and hands may feel cold at first, too.

Silfra at a glance

• Float between two tectonic plates: The route takes you through the fissure in Þingvellir National Park, a UNESCO World Heritage Site.
• See through exceptionally clear water: Glacier meltwater passes through underground lava rock before reaching Silfra.
• Wear a full dry suit: Thermal layers, hood, gloves, and snorkeling equipment are supplied, but the suit can feel restrictive.
• Spend about 50 minutes in the water: The full outing takes three hours, with much of the time used for safety, gearing up, and walking.
• Keep the underwater photos: A guide carries a GoPro and takes souvenir pictures during the swim.
• Warm up afterward: Hot drinks and cookies are included at the end.

What makes Silfra worth your time

Silfra is not a tropical snorkel with fish everywhere. It is a cold, quiet freshwater experience built around geology, visibility, and the strange sensation of floating through a crack between continental plates.

The setting is part of the appeal. Þingvellir is open, wild, and stark, with rock, moss, water, and broad Icelandic views. Once you put your face in the water, the scene changes. The fissure walls, pale stones, dark crevices, and blue-green water create a place that feels unlike an ordinary swimming outing.

The geological headline is simple: you are in a zone where the North American and European plates are moving apart. That sounds grand, but the experience itself is very physical and direct. You do not need to understand plate tectonics to appreciate it. You can see the rock walls beside you, feel the gentle movement of the water, and look down through astonishingly clear meltwater.

The group size matters. With no more than six participants, the guide can watch each person closely, offer help with the suit, and take pictures of everyone. Anna, James, Kevin, Lillian, Abby, Vicky, Mike, Cecilia, and other guides are praised for calm explanations, friendly humor, and steady attention to safety. Your guide will be the person who makes this unusual activity feel manageable.

Meeting at P5 and getting ready

You meet at the company parking area at Silfra in Þingvellir National Park. If you drive, use the P5 parking lot and walk to the Tröll Snorkel Meeting Point. Parking fees are not included, and hotel pickup is not provided, so plan your route before leaving Reykjavík or wherever you are staying.

The first formal part is a safety briefing lasting about 30 minutes. This is not filler. You learn how to use the mask and snorkel, how to move in the suit, and what to do in the water. If you are nervous, this is the time to ask questions. Guides such as James, Mike, and Anna have been praised for giving clear instructions and helping people relax before entering the fissure.

Then comes the part many people underestimate: getting dressed. You wear warm layers underneath the supplied dry suit. Bring warm socks, leggings, and a warm shirt, plus a change of clothes for afterward. Remove earrings, bracelets, watches, and other jewelry. If you wear glasses, bring contact lenses instead, since glasses cannot be worn under the mask.

The suit keeps your body dry, but it is not light clothing. You may feel squeezed around the neck and wrists, and walking in it can feel clumsy. The operator uses a heated truck for changing, which is especially useful in winter. Standing outside in full gear while temperatures drop below freezing would make the preparation much less pleasant.

The 30-minute walk to the fissure

After the briefing and clothing session, you walk for roughly 30 minutes. The suit and equipment make this more tiring than an ordinary stroll. Still, the approach gives you time to look around Þingvellir and understand that Silfra is not a swimming pool placed beside a road. It is part of a large protected setting with exposed rock and open Icelandic nature.

The walk is also where the practical side of the experience becomes clear. You need to be physically fit, comfortable in the water, and able to swim. The activity is not suitable for wheelchair users, and the operator sets height and weight limits because the dry suit must fit correctly.

The stated limits are 45 to 120 kilograms and 145 to 200 centimeters in height. The minimum age is not given as a simple child age, but the activity is not suitable for anyone under 135 centimeters. Participants over 60 need medical clearance from a doctor, and the maximum age is 69. Pregnant women cannot take part.

The 50-minute swim through the plates

Once you reach Silfra, the guide helps you enter the water and begins the main 50-minute guided snorkeling section. The dry suit gives you buoyancy, so you float easily rather than sinking. That can be reassuring, although the loose shape of the suit and the hood can take a little getting used to.

The first moments can feel sharply cold around your lips, forehead, hands, and face. Several people find that the sensation settles after two or three minutes. The gloves and hood help, and the body layers plus dry suit do most of the work of keeping you warm. The water itself remains cold, but you are not simply wearing a swimsuit in it.

The best part is the visibility. You can look down through clear glacial water and see the fissure’s rock formations with unusual detail. The water has blue, green, and pale tones that change with the depth and the surrounding stone. You may spot plant life and small freshwater creatures such as dwarf char, but Silfra is not mainly about wildlife. The real attraction is the clarity and the rock.

Your guide stays with the group and controls the pace. You do not need to find the route yourself. Guides take photographs along the way, often making a point of getting pictures of each participant as well as the surroundings. That is a useful feature because managing a camera while wearing a mask, snorkel, gloves, and dry suit would be awkward.

The depth and clarity can feel strange. The water looks calm, yet the view downward may seem much deeper than expected. If you are uneasy in open water, tell the guide early. The small group and close supervision help, but this is still an activity for someone who can swim and feels reasonably comfortable in water.

The 30-minute walk back and warm-up

After the swim, you walk back toward the meeting area for around 30 minutes. This return can feel less graceful than the way out because you are wet around the head and hands, tired from the water, and still wearing the bulky suit.

This is also why warm clothing matters. Do not arrive with only a light jacket because the air temperature may be low even when the water experience feels manageable. A spare set of clothing is sensible in case your inner layers become damp during changing.

The final half hour is a break at Silfra. Hot drinks and cookies are included, giving you a simple but welcome finish. It is not a restaurant stop or a long meal, but it gives you time to warm up, talk with your group, and look through the experience after the physical part is over.

GoPro photos included in the price

The $148 price includes the guide, dry suit, snorkeling equipment, hot drinks, cookies, and GoPro photos. The photo inclusion adds real value. You can concentrate on the route instead of holding a camera, and the guide can photograph you in the water with the rock walls and clear water around you.

The picture quality will naturally vary with water conditions, movement, and how close the camera is to the subject. One close-up may be less flattering than another, but the guide is making the effort to record the whole group. The photos are best understood as a useful souvenir rather than a professional underwater shoot.

Compared with a tour that charges separately for a camera or rental, this setup is simpler. You pay one price and receive the images as part of the experience. For many people, that helps justify the cost, especially since you are unlikely to take good self-portraits while snorkeling.

Is $148 good value?

I see the price as fair for a three-hour activity with specialist equipment, a certified PADI guide, a small group, hot refreshments, and included photos. The cost is not just for time in the water. It covers fitting a dry suit, safety instruction, supervision, equipment care, and the walk to and from the fissure.

The value is strongest if Silfra is one of your main Iceland activities. You are paying for access to a place with a very specific setting, not a generic snorkeling session. The experience also works well for a special occasion because it feels unusual and produces photos you cannot easily recreate elsewhere.

The value is weaker if you dislike cold water, have trouble swimming, or mainly want a long period of active snorkeling. About 50 minutes is spent in the water, with the rest of the three hours taken up by preparation, walking, and warming up. That timing is reasonable for a dry-suit activity, but it is worth knowing before you book.

Who should book this experience?

You are a good match if you can swim, feel at ease in water, and want a memorable geological experience rather than a wildlife-heavy snorkel. It suits couples, friends, and families with older teenagers or adults who meet the size and fitness rules.

It can also work well for a first-time snorkeler. The guide explains the process, the dry suit helps you float, and the group is small. Several guides, including Abby and Kevin, are praised for helping newcomers feel safe and prepared.

This is not ideal for anyone who dislikes restrictive clothing or has limited mobility. The suit is tight around some areas and awkward to walk in. You must also be able to communicate in English, since the live guide and safety instructions are in English.

If you have Raynaud’s or another concern about cold, speak with a medical professional before booking and tell the guide about your needs. One guide, Anna, took extra care with a participant who had poor circulation and provided warmed gloves. That kind of help is encouraging, but it does not remove the need to judge your own condition honestly.

Practical preparation that makes the day easier

Wear the warmest sensible base layers you can fit under the suit. Socks, leggings, and a shirt are specifically useful. Avoid cotton if you have other options, since it can stay damp, but do not add so many layers that the dry suit becomes painfully tight.

Bring a change of clothes, even if you expect to stay dry. Leave jewelry at home, use contact lenses instead of glasses, and arrive ready for an outdoor walk. The dry suit is designed to protect you in the water, not to make walking effortless.

Do not plan a tight schedule around the activity. The stated duration is three hours, and cold-weather preparation can feel slow. Give yourself room afterward to change properly and warm up instead of rushing straight to another appointment.

The cancellation policy is flexible, with a full refund available when you cancel at least 24 hours ahead. You can also reserve the spot and pay later, which helps if your Iceland route is still changing.

Should you book Silfra snorkeling?

Book it if you want a one-of-a-kind Iceland activity built around clear water, dramatic geology, and a small, well-supervised group. The included photos, hot drinks, and careful guidance make the $148 price easier to accept. I would especially choose it for a first visit to Þingvellir when you want more than a viewpoint and walking trail.

Think twice if you are not comfortable swimming, have a medical concern, or dislike cold conditions and tight clothing. The water is not warm, the suit is cumbersome, and the route includes a substantial walk in equipment.

For the right person, Silfra offers a rare combination: you float through glacial water, look into a fissure between two continental plates, and leave with photographs of a place that feels genuinely unlike ordinary snorkeling.

FAQ

Where does the Silfra snorkeling tour meet?

Meet at the company’s parking lot at Silfra in Þingvellir National Park. If you drive, park at the P5 lot and walk to the Tröll Snorkel Meeting Point.

How long does the activity take?

The full activity takes three hours. This includes a 30-minute safety briefing, about 30 minutes walking to Silfra, roughly 50 minutes of guided snorkeling, another 30-minute walk back, and a final break.

How long are you in the water?

The guided snorkeling portion lasts about 50 minutes.

Is snorkeling equipment provided?

Yes. The price includes a dry suit and the required snorkeling equipment. Warm base layers, socks, leggings, and a shirt are not supplied, so bring those yourself.

Are photos included?

Yes. GoPro photos are included as a souvenir, and the guide takes pictures during the snorkeling experience.

What age limits apply?

Participants over 60 need medical clearance from a doctor, and the maximum age is 69. The activity is not suitable for people under 135 centimeters tall or over 200 centimeters tall.

Can pregnant women take part?

No. Pregnant women are not permitted to participate.

Can I cancel the booking?

You can cancel up to 24 hours before the activity for a full refund. The reserve now and pay later option lets you hold a place without paying immediately.