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Snorkeling and Lava Caving - Combo Tour - SC04

Black and Blue - Lava tube caving and Silfra Fissure

This tour will take you into the depths of Iceland, where you will see two wildly contrasting, yet equally beautiful natural wonders. From Reykjavik, we will take you to a lava tube cave, crafted centuries ago by a river of molten lava. There you will see Iceland’s dark underworld: most definitely one of its best kept secrets. This is contrasted by the icy clear waters of Silfra fissure, which will allow you to swim between Europe and America.




Duration: ~9 hours

Pick-up: 8 a.m.

Available: All year

Age limit: 12 years

Difficulty: Moderate

    Tour Highlights:
  • Snorkeling in Silfra
  • Lava Caving
  • Thingvellir National Park

Pick up: starts at 8 a.m. in Reykjavik. We will drop you off in Reykjavik at around 5 p.m. after the tour.

Snorkeling prerequisites:

  • Participants need to be comfortable in the water and be able to swim
  • You are unable to participate if you are pregnant
  • Understanding of English is required for the snorkeling safety briefing

Height limit: 150 - 200 cm / 4'11" - 6'7" ft

Weight limit: 45 - 120 kg - 100 - 265 lb.

Included: Certified PADI Dive guide / Divemaster, all transfers, expert caving guide, all necessary snorkeling and caving gear and Silfra admission fee

Not included: Lunch. We will stop at a place where you can buy food (you can also bring packed lunch).

Bring with you: Warm and waterproof outdoor clothing, gloves, warm undergarments (fleece/wool), warm socks, a change of clothing (just in case).

Need clothing? Don’t worry, you can always rent sturdy hiking shoes, waterproof jacket and pants in the online booking process. We do not rent gear from location.

Silfra Fissure probably has the clearest water in the world. That‘s mainly because of the cold temperature and lava filtration. It‘s always cold, from 2°C – 4°C. The source is glacial water from Langjokull and on its travel It has to break through lava, so it gets filtrated on its way.

For further information: Contact Us

from:
23 490 per adult
100% Refund Guarantee
If cancelled with at least  24hr notice

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Tour Description

lava cave icicles

If you are lucky, you get to see icicles in the cave.

This tour will allow you to see Iceland from a different perspective: taking you caving and snorkelling in areas of incredible natural beauty. From the crystal clear depths of the Silfra fissure, to the stunning rock formations of a lava tube cave, you are in for a truly incredible experience.

black and blue snorkeling in silfra

Snorkeling in crystal clear water.

Read full tour description...

We will begin by collecting you from Reykjavik and taking you on “the dark” part of the tour, where we will explore one of the lava tube caves close to Reykjavik. This remarkable experience will give you the perfect insight into how volcanic activity helped to form Iceland. A lava tube cave is a channel, through which lava used to travel beneath the Earth’s surface. Eventually, as the lava cools and the volcano ceases to be active, it will form a long round tube, which normally contain some absolutely stunning rock formations. We will travel to either Leiðarendi Cave or Gjábakkahellir, depending on the season, but don’t worry both offer majestic sights and rock formations that you will never forget.

From there we will travel to the heart of Thingvellir National Park, where you will see the remarkable Silfra Fissure. Silfra is an underwater gap, which lies between the tectonic plates of Europe and North America, meaning that you will be snorkelling between two continents! Silfra, is also filled with filtered glacial water, which makes it the clearest water, which you can find anywhere in the world. Underwater visibility stands at over 100m, meaning that as you drift through the deep blue water, you will see the stunning natural landscape in all its majestic glory.

Our certified guide, will equip you with a dry-suit, (the glacial water is around 2-4 degrees) and then guide you through Silfra: consistently described as the greatest dive site in the world. The clarity of Silfra’s water also makes it the perfect place to take some of the most incredible pictures that you will ever see: combining light and dark, rock and water, excitement and natural beauty, this tour is a must for anyone visiting Iceland.

After we finish the caving, you will have a chance to grab some lunch between the two activities.

We will drive to Þingvellir National Park where Silfra fissure is found. Here we get ready to explore the blue by putting on a dry suit and other snorkeling gear needed. Your guide leads you through the marvels of this crystal clear water wonderland that is considered to be one of the best freshwater snorkeling places in the world.

Snorkeling and Caving
Rated 4.8/5 based on 5 customer reviews

Read customer reviews


Perfect day!

5 by Britta 2018-02-02
Cave&Snorkeling The tour was one of my favourite days of my trip. Our guide Biggi was polite, funny, caring about everyone in the group and told us so many interesting things about the cave. It was a fantastic experience to explore it with him. Although I wasn't sure, if I will enjoy the snorkeling, the team was so wonderful I forgot my fear at once. The guide (unfortunately forgot his name) was relaxed and easy - going and explained very good what to expect. He made sure, everyone could enjoy it. I highly recommend (and already did) this tour for everyone, who is looking for an unique experience. Thank you very much!!!!

Outstanding!!!

5 by Steve Parker 2018-02-23
Truly and outstanding excursion with a top notch company. The lava tube (the Black in B&B) was very interesting and worth visiting our guide was knowledgeable an provided a lot of interesting facts. The snorkeling between the tectonic plates (the Blue part of B&B) is NOT to be missed. What an exceptional opportunity. The fact that visibility was approaching 300 feet was amazing - felt more like flying than floating. Was it cold? Yes but certainly manageable given the great gear we had. I can not say enough about our guides. Prepping for the dive and in the water Ronan and Chris was fantastic. Funny guys but highly professional - they gave us a lot of info and made everyone comfortable. But the star outside the water was Christine, she was nothing short of amazing, helping with gear, making everyone feel special and relaxed and after the dive she was a huge help. She was there to assist with gear and the hot cholate and cookies after the dive were a nice touch Well done by all!! highly recommended

Informative and fun

4 by Michael 2018-02-03
The black and blue tour was very good indeed. The guide for the caving was friendly and knowledgeable. If you are not the best on your feet this is not the trip for you. There is crawling involved. A real caving experience but very safe. The diving was a lot of fun and the guide was amusing with a dry sense of humor. Maybe it was the dry suit that made him that way! He too was friendly and informative. Things to remember: you need to be bundled up in the winter to walk to the cave. Inside it is cool but you will feel warm as you are crawling around! For the snorkel make sure you have a good base layer since you need to remove your item layer to put on the dry suit equipment. The dry suit is very bouyant and you literally float along so if you are not a strong swimmer it is ok!

Amazing experience with a kindly tour guide

5 by LEDER 2018-03-09
What an awesome experience with Black & Blue Tour. Probably one of the best day in my life. The tour guide was really kindfull & made us enjoying the day a lot. The lava tour was pretty nice with good explanations of what happened. What a great experience to be totally in the dark during few seconds without any noise. For the snorkelling in Silfra, organization was well done, and the guide in the water was really professionnal even some panic could appear on start. He was able to make us confident in the water to enjoy this jewel of nature. To be totally honest, I was a bit feared about the price but I have no regrets on it. Go without hesitating !

Awesome Guide and Awesome Adventure

5 by Christine 2018-03-26
The guide was very knowledgeable and friendly. The lava tube was amazing and snorkeling at Silfra is a definite must!
All reviews displayed on our site are collected from customers via our post-tour review system.

Disclaimer: all snorkeling trips undertaken are the responsibility of its participants. Extreme Iceland does not assume any responsibility for accidents which are caused by its customers or can be traced to their own actions. Participants have to sign a waiver before undertaking all trips stating that they realize that all outdoor activities carry an inherit risk.


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