Two continents drift apart, you float between them.
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6 hr
Float through Iceland's crystal-clear tectonic rift in Thingvellir National Park — a once-in-a-lifetime underwater journey.
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3 hr
Drift between two continents in Iceland's crystal-clear glacial waters wearing a warm dry suit.
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4 hr 30 min
Snorkel between two tectonic plates in Iceland's crystal-clear Silfra fissure — 4.5 hours of pure magic.
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10 hr
Explore Iceland's iconic Golden Circle and snorkel between two tectonic plates in crystal-clear glacial water.
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11 hr
Snorkel between two tectonic plates, then explore Iceland's legendary Golden Circle on a private 11-hour tour.
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The Silfra fissure widens by roughly two centimetres each year, prising the North American and Eurasian plates apart inside Thingvellir National Park.
Its water began as glacial melt on the Langjökull ice cap, filtering underground through porous lava for decades before surfacing here, clear enough to read at thirty metres.
Silfra snorkeling draws visitors to a rift few other places on Earth let you enter on a human scale. The fee of 1,500 ISK supports the park that has guarded this UNESCO-listed site, once the meeting ground of Iceland's old parliament. A silfra snorkeling experience — or for the certified, silfra diving — turns geology into something legible; the appeal of snorkeling between tectonic plates iceland lies in touching both continents at once. Whether weighing a silfra snorkeling tour or a quieter silfra snorkeling price point, the rift remains the constant, indifferent and exact.
"Its water surfaced clear enough to read at thirty metres."
A step-by-step walkthrough of Silfra Snorkeling tickets — what you'll see, how long each stage takes, and the details that matter.
You arrive between 08:00 and 10:00, ahead of the Golden Circle buses, and catch the low morning light raking the fissure. A guide seals you into a drysuit, checks your hood and gloves, then leads you down the metal steps into water holding near 2°C year-round.
You push off and the floor drops away — visibility runs past 100 metres, so you hang suspended over the rift as if flying. You drift through the Hall, the Cathedral, and the shallow Lagoon, fingertips grazing both plates. A silfra snorkeling tour usually runs 30 to 45 minutes in the water; afterward you peel off the suit, cradle a hot chocolate, and collect the free photos before the crowds thicken.
Park at Thingvellir P5 (Valhöll) lot and pay the daily parking fee via CheckIt. Walk the 5-minute path to the Silfra meeting point and check in with your guide at least 15 minutes before tour start.
Pull on the thermal undersuit then the drysuit; guides adjust neck seals and check fin fit. Attend the safety and geology briefing covering the North American and Eurasian plate boundary, current flow, and exit procedure.
Descend the metal steps into the glacial water at the Big Crack, where you can extend both arms and nearly touch the two continental plates simultaneously. Water temperature is 2–4 °C year-round.
Drift on the gentle lazy current through Silfra Hall's wide lava corridors and into Silfra Cathedral, a 100-metre-long fissure with visibility stretching almost end to end and walls plunging to 20 metres depth.
The current delivers you into the shallow, open Silfra Lagoon where cross-lagoon visibility reaches 120 metres and bright green troll-hair algae carpets the floor. Exit via the designated ladder and walk back 400 m to P5.
Strip the drysuit, enjoy hot chocolate provided by the guide, then drive 3.5 km to the Hakid Visitor Centre to walk the Almannagja Gorge boardwalk and visit Oxararfoss Waterfall.
The landmarks, rooms, and views travelers on Silfra Snorkeling tours remember — all visible on a single visit.
The entry section of the fissure where swimmers can simultaneously extend both arms and touch the North American plate on one side and the Eurasian plate on the other — a gap that widens by approximately 2 cm every year.
Widely regarded as the most dramatic section of the fissure: a 100-metre-long chasm whose lava walls plunge nearly straight down to a depth of 20 metres, with end-to-end visibility that allows snorkelers to see the full length in a single glance.
A wider, more open corridor that leads toward the Cathedral and connects to a deeper cave network descending to approximately 45 metres — a system that only a handful of technical divers have explored.
The shallow, open finale of the snorkeling route, where the floor is blanketed in bright green troll-hair algae (Tolypella nidifica) and cross-lagoon visibility spans 120 metres, making it the most photogenic exit point on the tour.
Distinctive bright green filamentous algae found only in the glacially filtered spring water of the Silfra system, serving as the primary food source for the endemic amphipod Crymostygius thingvallensis, found nowhere else on Earth.
Every Silfra Snorkeling tour side-by-side — duration, what's included, how you redeem.
| Experience | From | Duration | Transfers | Pickup | Lunch | Tax inc. | Free cancel. | Price | |
|---|---|---|---|---|---|---|---|---|---|
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Skip-the-line Most popular
Silfra Fissure Snorkeling: Drift Between Two Continents
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— | 6 hr | — | — | — | — | ✓ | €119 | Book → |
|
Standard Entry
Silfra Fissure Snorkeling Adventure with Souvenir Photos
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— | 3 hr | — | — | — | — | ✓ | €126 | Book → |
|
Guided Experience
Silfra Fissure Snorkeling from Reykjavik with Free Photos
|
Reykjavik | 4 hr 30 min | — | — | — | — | ✓ | €187 | Book → |
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Luxury / Private
Golden Circle & Silfra Snorkeling Day Tour from Reykjavík
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— | 10 hr | — | — | — | — | ✓ | €259 | Book → |
|
Premium Combo
Private Golden Circle & Silfra Snorkeling Combo – Full-Day Iceland Adventure
|
— | 11 hr | — | — | — | — | ✓ | €532 | Book → |
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Practical details for Silfra Snorkeling tickets straight from our verified partners — hours, access, rules, and how to get there.
Thingvellir National Park, 801 Thingvellir, Iceland
Park here and walk 5 min to the operator vans; arrive 15–20 min before tour start time. Pay parking via CheckIt app or at the Visitor Centre.
Open in Google MapsDrive Route 36 northeast from Reykjavik directly into Thingvellir National Park; follow signs for P5 (Valhöll) parking lot near Silfra.
Strætó bus route 82 runs seasonally between Reykjavik BSÍ terminal and Thingvellir (limited schedule); no bus stops directly at P5.
Most Reykjavik-based operators offer a return minibus from designated city pick-up points, typically departing 07:45 (summer) or 08:30 (winter).
Pre-booked taxis or private vehicles from Reykjavik; no metered taxis operate in the park itself.
All tour operators at Silfra provide a thermal undersuit and a fully sealed drysuit — your own clothes go on underneath, so wear thin, warm base layers (avoid bulky jeans). Neoprene hood, gloves, fins, mask, and snorkel are also supplied; there is no need to bring your own wetsuit. Drysuits are secured tightly at the neck, so guests with neck injuries or claustrophobia should consult a doctor before booking silfra snorkeling tours.
There is no bag-check facility at the Silfra site; leave valuables in your locked vehicle at the P5 parking lot, roughly a 5-minute walk from the fissure entry point. Small dry bags for personal items such as phones and wallets can be carried to the water's edge. Thingvellir National Park has no security screening, but tour guides check medical forms and swimming ability before entry.
Personal waterproof cameras and underwater housings are welcome in the water. Most tour operators carry a GoPro and share guide-taken photos with participants after the tour, often as a complimentary package or for a fee of around 3,000 ISK. Photography of the vibrant troll-hair algae and tectonic rock walls inside the fissure is best in late morning when sunlight angles into the crack.
The Silfra entry point involves a 150-metre walk from the parking area over uneven lava-rock terrain, which is not wheelchair accessible. The exit at Silfra Lagoon requires a 400-metre walk back to the P5 lot. Participants must be comfortable in water and able to swim; pregnant visitors and those with serious heart or respiratory conditions are not permitted to enter. Minimum age is 12 years old on most tours.
Mobile reception at Silfra is limited and can be unreliable within the tectonic fissure. Keep phones in a waterproof case or dry bag during the tour; most guides discourage phone use during the briefing and entry procedures for safety reasons. Download offline maps of Thingvellir before leaving Reykjavik.
Children aged 12 and above may join silfra snorkeling tours with parental consent; the water temperature stays between 2 °C and 4 °C year-round, so even teenagers need to be comfortable in a tight drysuit. The 150-metre walk to the water entry point and a 30–40 minute in-water session make this an achievable activity for fit older children. Parents with children under 12 can still explore Thingvellir National Park's boardwalks, Almannagja Gorge, and Oxararfoss Waterfall while waiting.
There is no food or drink vendor at the Silfra fissure itself. A restaurant and café operate at the Thingvellir National Park Visitor Centre at Hakid, approximately 3.5 km from the Silfra parking lot. Most guided snorkeling tours include hot chocolate and cookies served immediately after the in-water session to help guests warm up. Bring a water bottle, as the glacially filtered water in Silfra is technically potable but access to it while in a drysuit is impractical.
Dogs and other pets are not permitted in the Silfra water-entry zone or on guided snorkeling tours. Pets on leads are allowed on many of the walking paths in Thingvellir National Park, but owners must check individual trail regulations posted at trailheads.
Thingvellir National Park is a UNESCO World Heritage Site and one of the three main stops on the Golden Circle route. The park is open 24 hours, but the Visitor Centre at Hakid operates 09:00–18:00 from April to October and 09:00–17:00 from November to March. Parking is charged separately at around 1,000 ISK per vehicle per day via the CheckIt system; cameras monitor all plates entering and leaving the lots. No trains exist in Iceland — all self-drive visitors follow Route 36 from Reykjavik.
Thingvellir National Park, 801 Thingvellir, Iceland
Park here and walk 5 min to the operator vans; arrive 15–20 min before tour start time. Pay parking via CheckIt app or at the Visitor Centre.
Get directions
Hakid, Thingvellir National Park, Iceland
Some operators begin with a group bus transfer from the Visitor Centre; check your booking confirmation for which meeting point applies.
Get directionsBest time to go, insider tips, nearby landmarks, and the cancellation fine print — flip through to skim what matters to you.
How crowds, weather, and events shift across the year.
Near-midnight daylight and temperatures above freezing on land; silfra snorkeling tours run morning and midday slots and this is the busiest season, so book well in advance.
Fewer crowds than summer, cold but stable water temperature in the fissure unchanged from winter; good slot for silfra snorkeling tours before Golden Circle peak season.
Golden foliage around Thingvellir Lake and noticeably smaller tour-bus crowds make the fissure less congested at the entry steps.
The Silfra snorkeling experience operates year-round; winter offers the quietest conditions and potential aurora sightings during the drive, though ice on the access path requires extra care.
Small details that turn a good visit into a great one.
The 08:00–10:00 window at Silfra sees the softest morning light filtering into the fissure and minimal queue at the entry steps before Golden Circle coaches arrive around mid-morning.
The 1,500 ISK Silfra fee is collected by Thingvellir National Park and is separate from parking; most tour operators bundle it into the booking price, but confirm this when reserving to avoid surprises at the site.
Salt-free glacial water at 2–4 °C can dislodge soft lenses from your eyes even beneath a mask seal; bring prescription goggles or accept slightly blurry distances in exchange for a comfortable dive.
Signal drops inside the tectonic crack; save your guide's phone number offline and download the maps.me or Google Maps offline area for Thingvellir before leaving Reykjavik.
After the snorkel, the short drive to the Hakid Visitor Centre puts you at the trailhead for both the gorge walk and the waterfall path, making efficient use of the already-paid daily parking fee.
The drysuit undersuit boots can feel colder than expected for guests with poor circulation; two thin merino wool socks layers noticeably improve comfort during the 30–40 minute in-water session.
Non-bookable sights within a short walk — free to visit, easy to pair.
The largest fault-line rift valley in Thingvellir where the North American and Eurasian plates meet; a 1 km boardwalk trail runs through it.
A compact waterfall inside Almannagja Gorge, easily reached on foot from the Hakid Visitor Centre; featured in Game of Thrones filming locations.
An elevated platform beside the Visitor Centre offering panoramic views over Thingvallavatn Lake, Iceland's largest natural lake at 84 km², and the rift valley below.
The outdoor assembly site of the Althing parliament from 930 AD, marked by an Icelandic flag and information panels on the world's oldest surviving parliament.
A water-filled tectonic crack whose floor is carpeted in coins tossed by visitors over decades; a striking contrast to the nearby diving fissure.
Flexible, no hidden fees.
Most guided silfra snorkeling tours offer a full refund when cancelled at least 24 hours before the scheduled start time (local Iceland time, GMT). Cancellations made within 24 hours of departure are non-refundable; the 1,500 ISK water-entry fee paid to Thingvellir National Park is collected separately and is non-refundable once entered.
Hand-picked options within walking distance — pick a district for vibe, or a specific hotel for convenience.
Design hotel set against volcanic landscapes near Nesjavellir with a geothermal pool and Lava Spa; one of the closest upscale options to the fissure.
Four-star hotel with private hot tubs and gourmet dining, positioned along the Golden Circle route near Selfoss.
A restored 1920s schoolhouse on the shores of Laugarvatn Lake, popular with independent travelers on the Golden Circle.
Self-catering cottages situated very close to the park entrance, suitable for groups wanting an early start at Silfra.
Official park campground open in summer, walking distance from the Visitor Centre and a short drive from P5.
Silfra snorkeling takes place inside the Silfra fissure, a water-filled tectonic crack in Thingvellir National Park (address: Silfra, Thingvellir National Park, 801 Thingvellir, Iceland) where the North American and Eurasian plates slowly drift apart. The glacially filtered water maintains year-round visibility of up to 100–120 metres, making it one of the clearest dive sites on Earth.
The Silfra fissure and Thingvellir National Park are open every day of the year from 00:00 to 23:59 — there is no closing time. Guided snorkeling tours operate on scheduled departure times set by individual operators, typically starting from 07:45 in summer (May 15–August 31) or 08:30 in winter (September 1–May 14).
A water-entry fee of 1,500 ISK per person is charged by Thingvellir National Park for anyone entering the water at Silfra; most tour operators include this in their booking price, so verify at checkout. Parking at the park's P5 lot costs around 1,000 ISK per vehicle per day, payable via the CheckIt system, and is separate from the entry fee.
Arriving at Silfra between 08:00 and 10:00 is the recommended window to beat peak Golden Circle tour-bus crowds and benefit from morning light filtering into the fissure. Midday and early afternoon slots tend to be busiest during summer.
Participants must be comfortable in the water and able to swim; no prior snorkeling or diving certification is required for guided snorkel tours. You cannot join if you are pregnant, and those with serious heart, respiratory, or neck conditions should consult a doctor before booking. The minimum age on most Silfra snorkeling tours is 12 years old.
All necessary equipment is provided by the tour operator: a thermal undersuit, a sealed drysuit, neoprene hood and gloves, fins, mask, and snorkel. Wear thin, moisture-wicking base layers and two pairs of warm socks underneath; bulky jeans or thick cotton are not suitable. The drysuit seals tightly at the neck, so guests with claustrophobia or neck sensitivities should consider this before booking.
Children aged 12 and over may join silfra snorkeling tours with a signed parental consent form. Participants must fit into the available drysuit sizes and be confident swimmers; tour operators assess suitability on the day. Children under 12 are not permitted in the water but can enjoy the park's trails and boardwalks nearby.
Bringing a personal waterproof camera or underwater housing into the fissure is allowed and encouraged. Most tour operators carry a GoPro throughout the tour and offer the guide-taken photos to participants afterward — sometimes complimentary, sometimes for an additional fee around 3,000 ISK. Avoid obstructing other snorkelers with large camera rigs at narrow sections of the fissure.
Most operators offer a full refund when a silfra snorkeling tour is cancelled at least 24 hours before the scheduled start time in Icelandic local time (GMT). Cancellations within 24 hours of departure are generally non-refundable, and the 1,500 ISK water-entry fee paid to Thingvellir National Park is non-refundable once used.
There is no food or drink vendor at the Silfra fissure itself. Most guided snorkeling tours include hot chocolate and biscuits served immediately after the in-water session. A café and restaurant operate at the Thingvellir National Park Visitor Centre at Hakid, approximately 3.5 km from Silfra.
Silfra is about 50 km northeast of Reykjavik along Route 36, a drive of roughly 45–60 minutes. Self-drivers park at the P5 (Valhöll) lot and walk 5 minutes to the Silfra meeting point; most tour operators also offer minibus transfers from Reykjavik pick-up points, departing from around 07:45 in summer. There are no trains in Iceland.
After your snorkel in the Silfra fissure, the Almannagja Gorge boardwalk and Oxararfoss Waterfall are a short 10–12 minute drive from P5 and make natural additions to the same day. The Hakid Viewpoint at the Visitor Centre overlooks Thingvallavatn Lake, Iceland's largest natural lake, and the Law Rock (Logberg) historic parliament site is also reachable on foot from the same car park.
