自驾冰岛特色旅行团优惠套票｜火山内部遨游＋索尔黑马冰川徒步＋浮潜

Thingvellir  is one of the most important sites to visit in Iceland for its landscape, history and cultural value.

The Icelandic parliament was founded in Thingvellir in 930 and remained there for centuries.Thingvellir is surrounded by a beautiful mountain range and is the site of a rift valley, marking the crest of the Mid-Atlantic range. Today it is a natural park, listed as a World Heritage Site by UNESCO and considered a vital part of the ‘Golden triangle’ (with Geysir and Gullfoss). Of particular note is the magnificent gorge Almannagja, which marks the eastern boundary of the north American plate and into which the beautiful waterfall Oxararfoss falls.

Other notable attractions within the park include the beautiful lake Thingvallavatn, the largest lake in Iceland, the Silfra fissure, one of the world's top dives, and Gjabakkahellir, one of Iceland's most interesting lava tubes. 

Solheimajokull is a beautiful outlet glacier of the Myrdalsjokull icecap.

Solheimajokull is a rugged glacial tounge riddled with crevasses and spectacular ever-changing ice formations, jagged ridges and sinkholes and is popular for hiking and ice climbing.

The glacier river Jokulsa a Solheimasandur has its source at the glacier, flowing over the sand plain of Solheimasandur towards the sea.

Mýrdalsjökull is a glacier in the south of the Icelandic highlands. It is the country's fourth largest ice cap, covering nearly 600 square kilometres (232 square miles), and its highest peak is almost 1500 meters tall. It is most well-known for sitting atop the notorious and explosive volcano, Katla.

Mýrdalsjökull is visible from Route 1 on the South Coast, sitting to the north of the village of Vík. It is visited on some snowmobiling, ice caving and helicopter tours, and one of its glacial outlets, Sólheimajökull, is the most popular place in the country for ice-climbing and glacier hiking.

Eruptions beneath Myrdalsjokull

Since 2010, the world has known of the volcano beneath Eyjafjallajökull; after all, it halted European air travel for over a week and stumped news readers everywhere. Few, however, are aware of the much larger volcano right beside it.

Mýrdalsjökull conceals Katla, one of the country’s most active volcanoes, having erupted, on average, once every fifty years since 930 AD. Because of the glacier above it, these eruptions tend to cause enormous ash clouds. It is these ash clouds that lead to flights being grounded, crops and livestock poisoned, and have the potential to change the world’s climate.

The last major eruption beneath Katla was in 1918, in which such huge lahar floods occurred that the southern coastline was extended five kilometres outwards. This area is also very susceptible to glacial floods, or 'jökulhlaup', during eruptions, even when the lava does not break through the surface of the ice. These are as dangerous as the lava itself, having wiped out whole Icelandic villages before.

Historically, the area was little settled for this reason.

Katla is connected to the same volcanic system as Eyjafjallajökull and usually erupts violently a few years after Eyjafjallajökull does. As the ex-president, Ólafur Ragnar Grímsson said in 2010:

So it is currently several years overdue. Katla is monitored heavily, and roads around it closed when seismic activity increases. All road closures around Iceland can be found on Road and Coastal Administration's website.

Tours on Myrdalsjokull

While there are no eruptions immediately imminent, tours continue to run onMýrdalsjökull, allowing visitors to enjoy the glacier. It is, for example, possible to snowmobile across its surface throughout the year and take ice caving tours beneath it from October to April, with departures from both Reykjavík and Vík.

Considering the ice caves under Vatnajökull glacier are usually only accessible from November to March, this provides a wider window of opportunity for travellers to Iceland outside of the depths of winter. It should be noted that the caves in Mýrdalsjökull do not have the same blue ice, however.

Tours around Myrdalsjokull

Mýrdalsjökull can be seen on all South Coast tours that reach Vík and beyond in clear weather. It can also be seen from above on helicopter tours that depart from Reykjavík.

The best perspectives of the glacier, however, can be found on the popular Fimmvörðuháls hiking trail, which goes between Eyjafjallajökull and Mýrdalsjökull. Part of this hike can be done in a day, or you can take the complete route from Þórsmörk to Skógar on a three-day trek

Wikimedia, Creative Commons, photo by Reykholt

The Blue Mountains, otherwise known as Bláfjöll, are a beautiful mountain range in the south-west of Iceland. They hold some of the most popular skiing slopes in Iceland, and well as the potential for other activities such as caving and hiking.

The Blue Mountains are located around 20 kilometres (12 miles) from Reykjavík, by the lava plateau of Hellisheiði.

Geology of the Blue Mountains

The Blue Mountains partially cover the Mid Atlantic Rift, which runs through Iceland. The very regular earthquakes and sporadic eruptions, therefore, are explained the high level of geological and geothermal activity that this rift creates.

Most of the mountains are now dormant, not having erupted since the last Ice Age, but not all.

Due to their formation, the Blue Mountains are composed of tuff rock.

Activities in the Blue Mountains

As mentioned, the Blue Mountains has some of the most popular slopes in Iceland. Being so accessible from Reykjavík, just a twenty five minute drive away, the region draws those who love to ski and snowboard from the beginning of February to the end of April.

Due to these opening dates, winter sports have become somewhat of an Easter tradition for many of those living in the capital.

The resort here is the largest in Iceland, and boasts 16 ski lifts, and 15 kilometres (nine miles) of slopes. Equipment can be rented on site, and there are regular lessons taught for newcomers. Regardless of if you are a novice or expert, there are slopes for all abilities.

Cross country skiing is also very popular in the area, but should only be done by those experienced, or with a trained guide. Some snowmobilers also make the most of the opportunities the mountain provides.

Other areas for skiing in Iceland include Akureyri and Skaftafell Nature Reserve.

A popular activity that can be enjoyed in the Blue Mountains throughout the year, however, is lava caving. Due to the the volcanism of the area, the plateaus around the mountains are composed of many layers of lava rock.

When this lava first cooled, it did so from the outside in, leaving running magma beneath it. If this magma had a place to flow out to, it would form a lava cave.

Leiðarendi is a beautiful tunnel, formed in a kind of ring that allows visitors to fully explore it. Trips to Iceland’s lava caves provide wonderful opportunities to learn about the nation’s geology, history of bandits, and folklore, particularly the tolls.

This lava tube also demonstrates the volcanism of the Blue Mountains. It was, in fact, created by two seperate eruptions, one two thousand years ago and one a thousand years ago. The lava tunnels formed in each collapsed together at what is now the entrance of the cave.

Much of the area around this cave and much of the Blue Mountains is covered in a delicate moss, that creeps over the lava. When visiting any area with this unique flora, such as hiking trails through the mountains, be careful not to step on it as it is remarkably delicate

Silfra is a fissure filled with fresh spring water within Þingvellir National Park, and one of the country’s most cherished wonders. Snorkelling and diving in its crystal-clear waters is an experience that is both thrilling and relaxing, and it is now considered to be one of the top five dive sites in the world. It takes around an hour to reach Silfra from Reykjavík. 

Geography of Silfra

Silfra fissure opened in 1789, due to the movements of the tectonic plates that frame Þingvellir National Park. The North American and Eurasian plates, which run all the way through Iceland, separate at about 2 centimetres per year, and as they do, they tear open fissures in the land between them. 

Some of the ravines fill with water travelling underground through the porous lava fields in the area, originating from Langjökull glacier about 60 kilometres north. It can take the water up to a century to reach Silfra and this long filtration process results in the water being both extremely clear and drinkable.

Because the water travels underground, it maintains a constant temperature of two to three degrees Celsius and does not freeze over immediately at the source of the spring. Snorkelling and diving tours are thus open throughout the year.

The clarity of the water is what draws most visitors. The visibility can extend to over 100 metres, allowing you to see the canyon walls and bottom like you are floating over a great cathedral.

The last colour that water absorbs is blue, which means that when you look forward in Silfra, it is as if you are looking into an ethereal, vivid, azure world. The clarity also means that sun-rays refract through the surface of the water, creating rainbows on Silfra’s bed when the weather allows. 

Snorkelling in Silfra

Snorkelling in Silfra fissure is a highly enjoyable activity, but you must meet some prerequisites to be able to join. These are as follows:

• You must be able to swim
• You must be over 16
• You must be in good physical health
• You must be at least 145 centimetres and 45 kilograms
• If you are over sixty, you will need a medical waiver
• If you are over forty-five with a history of heavy alcohol use and pipe smoking, you will also need a waiver

The most common option for snorkelling is to conduct it in a drysuit. Drysuits work with a fluffy undersuit to keep your body free from water and insulated against the cold, making the task of swimming through the near-freezing temperature more than achievable. 

While drysuit snorkelling is the most comfortable and popular option, a few tours allow you to go through Silfra wearing a wetsuit. Wetsuits, made of neoprene, allow water to surround your body in a thin layer, that your body then heats up and uses to protect you. Though they grant you more flexibility, they are not so warm, so this should be done by the daring; you will also need to be at least 50 kilograms to snorkel in a wetsuit.

In all tours, you wear neoprene on your head and hands to allow for better mobility, a mask and snorkel, and a pair of fins, all of which are provided on site. The course of Silfra takes approximately forty minutes, and there is a gentle current throughout, meaning it requires minimal energy to traverse.

Diving in Silfra

Diving through Silfra gives an extra dimension to its beauty, as you will be able to look up and see the sun glistening upon the surface as you cruise through the crystal clear waters. However, considering the risks associated with diving in cold water and cumbersome equipment, all who partake must meet all the requirements above, as well as one of the following:

• You must be a qualified diver with a certification in a drysuit speciality, OR
• You must be a qualified diver with at least 10 logged dives in a drysuit conducted over the past two years, signed by an instructor or divemaster.

Þingvallavatn (anglicised to Thingvallavatn, ‘the Lake of the Fields of Parliament’) is a rift valley lake located roughly forty-minutes drive from Iceland’s capital city, Reykjavík.

Features of Thingvallavatn

Þingvallavatn is partially within the boundaries of Þingvellir National Park, Iceland’s oldest National Park and only one with UNESCO World Heritage Site status.

Covering an area of 84 square kilometres (32 square miles), Þingvallavatn is the largest natural lake in Iceland with its greatest depth measuring at 114 metres (374 feet). Þingvallavatn is situated on the Mid-Atlantic Rift, on a part of the ridge known as the Reykjanes Ridge.

The lake has only one outflow, the river Sog.

Of particular note to biologists and fishermen are the four morphs of Arctic Char that inhabit the lake. The lake’s char are an excellent example of species evolving to fit and adapt to a secluded environment; over ten thousand years, one species of Char has transformed into four different-sub branches. Other fish in the lake include the the Brown Trout and the Three-Spine Stickleback.

History and Geology

Þingvallavatn takes its name from the historical founding of the Alþingi, which occurred in 930 AD at what is now known as Þingvellir National Park. Þingvellir literally translates to ‘Fields of Parliament’.

The Alþingi was the first democratically elected representative parliament in world history (examples such as Ancient Athens were direct, not representative, democracies); Icelanders used to travel by foot or horseback simply to congregate at Þingvellir where they would hear the latest laws and judgements of the island.

Þingvellir National Park is also notable for its geology. Given its position on the Mid Atlantic Ridge, the park is one of the only places on the planet where visitors can see both the North American and Eurasian tectonic plates standing exposed from the earth.

Footpaths allow you to get up close and personal to the plates, standing right where the ancient settlers once did. In between the tectonic plates lies fields of dried volcanic rock, blanketed with a thick, yet fragile layer of Icelandic moss.

Scuba Diving in Thingvallavatn

Scuba diving around Þingvallavatn revolves around two sites, Silfra Fissure and Davíðsgjá (David’s Crack), the former being one of the most popular spots on the planet for snorkelling and underwater exploration.

Silfra Fissure is situated between the North American and Eurasian tectonic plates and is filled with crystal-clear glacial water originating from the Langjökull ice cap. The water measures at between two degrees Celsius all year round, with a slight current preventing the fissure from ever freezing over.

Davíðsgjá is found within Þingvallavatn and is often considered the darker and more dramatic cousin of Silfra Fissure, resembling the gorge formation so prevalent across the Mid Atlantic Rift.

Only certain tour operators provide tours into Davíðsgjá, so make sure to do some research beforehand if you are looking to access this dive site during your time in Iceland.

Photo from Thrihnukagigar Volcano Tour

Þríhnúkagígur is a dormant volcano in west Iceland, famous for its enormous magma chamber. It is the only magma chamber in the world that can be entered, and has a depth of 213 metres (699 feet).

Formation of Þríhnúkagígur

Þríhnúkagígur was a normal volcano in Iceland’s Blue Mountain range, also call Bláfjöll. However, its last eruption, almost 2,000 years ago, had some very unusual consequences.

After an eruption, the magma chamber of a volcano, now free of pressure, usually remains full of lava that cools into solid rock until the next eruption. If the magma chamber is fully emptied, the volcano will usually collapse in on itself.

To the bewilderment of scientists, however, neither of these things happened to Þríhnúkagígur.

It seems that a rift beneath the chamber drained it of all remaining lava, leaving behind an enormous chamber, that covered an area of 3,270 square metres (35,200 square feet). To give some idea of the scale of this, the Statue of Liberty could stretch her limbs within it, and it could comfortably fit Hallgrímskirkja church.

Unusually, the volcano did not collapse, and it has remained unchanged since.

Discovery and Exploration of Þríhnúkagígur

The vast magma chamber under Þríhnúkagígur would not be discovered until 1974, by an Icelandic cave explorer. Its discovery made world news, as volcanologists had not seen anything like it before, and were fighting to try to explain its existence.

In 2012, it was opened for tourism. A lift, akin to those used in mining, was installed, and visitors were now allowed to join tours plumbing its depths.

Its popularity comes not only from the uniqueness of the tour and the scale of the chamber, but the incredible colouration within it. Mineral deposits dye the walls vivid shades of red, yellow, green and blue, making the incredible space that much more ethereal.

Reaching Þríhnúkagígur requires a short but uphill hike, which can be done by any steady on their feet with a reasonable level of fitness. Tours only operate in summer.

The South Coast of Iceland is the country's most visited sightseeing route, along with the Golden Circle. 

The famed South Coast shoreline stretches from the greater Reykjavík area and is dotted with natural wonders such as cascading waterfalls, volcanoes both active and dormant, black sand beaches and glacier lagoons. 

Geography, Nature & Wildlife

Iceland is divided into eight geographical regions. Out of these, the Southern Region is the largest, as it spans over 24.000 square kilometres with its administrative centre in the municipality of Selfoss. 

What is known as the South Coast embodies the shoreline of this particular region. The area consists of a lowland that is mostly composed of marshlands, bays and cultivated pastures that are met by a series of black beaches where the estuaries to the east and west of the district close off the coastal body. 

Underneath the soil rests a vast lava field, known as Þjórsárhraun. Its edges reach several hundred metres offshore where the ocean waves crash upon them, thereby protecting the lowland from the invasion of the sea. This results in the South Coast being unusually lacking in the deep fjords that so distinctly characterise the rest of Iceland's shore line. 

The region boasts vibrant bird life during all seasons. It is not only rich with both marshland birds and seabirds but also migrating birds such as the North Atlantic puffin. Some species stay throughout the harsh Icelandic winter, including the northern diver, the loom and various species of gulls and ducks.  

Highlights of the South Coast 

The South Coast offers an unprecedented array of natural wonders that draw thousands of visitors each day. When driving the route from Reykjavík City, the highlights in their correct order are: 

• Seljalandsfoss Waterfall
• Vestmannaeyjar; The Westman Islands
• Eyjafjallajökull Glacier Volcano
• Skógafoss Waterfall
• Sólheimajökull Glacier 
• Dyrhólaey Peninsula
• Reynisfjara Black Sand Beach
• Reynisdrangar Sea Stacks
• Coastal Village Vík í Mýrdal
• Skeiðarársandur Glacial Sand Plain
• Vatnajökull National Park
• Jökulsárlón Glacier Lagoon 

These attractions count for but a fraction of what the South Coast has to offer. The vast sand plains of Sólheimasandur are home to a crashed DC-3 Plane Wreck, and close to Seljavellir by the Skógar Village there's Seljavallalaug, one of the oldest swimming pools in Iceland. 

• Explore the many wonders of the area on these South Coast Tours