11-15 August, 23 August - 4 September, 2025
Iceland is noted for its unique infrastructure that meets its unique challenges - from geothermal power plants to one-lane tunnels with two-way traffic.
Geothermal Power
Geothermal power plants using fluids from deep boreholes provide both electricity and heating to most homes and businesses. Heat is essentially free, and electricity cheap. (That's about the only thing that isn't expensive in Iceland!)
15 August
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The geothermal power plant at Svartsengi on the Reykjanes peninsula. It's discharge provides the hot water for the famous Blue Lagoon. |
25 August
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The atrium of the Geothermal Energy Exhibition at the Hellisheiði power plant in Hengill. This exhibition does an excellent job of explaining how a utility-scale geothermal power plant works and has observation decks overlooking the generators. |
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The pipes leading to the Hellisheiði power plant. |
28 August
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Pipes across the road at the Krafla geothermal power plant (Kröflustöð). The power station lies at the foot of the Krafla volcano, which erupted for nine years just as the power station was being built. |
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Pipes across the landscape at the Krafla power station. The borehole tops are protected by small geodesic dome huts, like the red structure in this photo. These small domes dot the landscape in Iceland. Sometimes they cap boreholes, and sometimes they are weekend cabins. |
Tunnels
Tunnels are a fairly recent addition to Iceland's infrastructure, but they can save hours of driving. They also provide access to remote communities that could easily be isolated when winter weather shuts down many of Iceland's roads.
1 September 
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The Arnardalshamar tunnel is the first and shortest (30 m, 100 ft) tunnel in Iceland. It goes through a basalt dike and was opened in 1948. |
30 August
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Several of Iceland's tunnels are one-lane, but support two-way traffic. These are not short tunnels that could be monitored by stop lights. This is the Múlagöng tunnel, 3.40 km long (2.1 miles). |
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So how does a one-way tunnel handle two-way traffic? With pull-outs every 50 to 100 meters. When you see headlights approaching, if the pull-out is on your side, you yield to oncoming traffic. Since Iceland traffic is generally light outside cities and towns, it actually works rather well. Still, I'd rather be in a two-lane tunnel. |
The most impressive tunnel (not pictured) was the 5.77 km (3.6 mile) long Hvalfjörður Tunnel which dips beneath Hvalfjörður, connecting Reykjavik to the northern parts of Iceland. It dips to 167 m (540 ft) below sea level on a 8% grade at the north end (the south end is a much gentler grade). It is two-lane, with a third passing lane on the uphill north end.
Ferries
Many of the communities on the coast are most accessible by water. Ferries are the solution. We took one ferry across Breiðafjörður from Brjánslækur to Stykkishólmur. Stykkishólmur is a town, but Brjánslækur is just the ferry terminal - we drove right past it, even though we were looking for a place where a ferry could dock. There was a sign, but it was small and easily missed. There was no office or place to buy tickets - you paid as you went aboard. (Reservations highly recommended.)
3 September  |
The ferry at the Brjánslækur dock. There was a deck for cars and trucks, then two passenger lounges on the two decks above. The ride to Stykkishólmur takes about 2 hours. While most of the time in the summer, the ferry stops at Flatey Island, our trip did not. |
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The car/truck deck. |
Avalanche Deflectors
The Icelandic word for avalanche is snjóflóð - literally "snow flood". Avalanches have caused major economic damage and many deaths. Towns try to protect themselves with a variety of deflectors. We mostly saw these structures in the West Fjords.
1 September
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Deflectors near Ísafjörður. |
2 September
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Man-made cones along Önundarfjörður near Flateyri. |
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Construction of avalanche deflectors above Flateyri, site of one of the most deadly avalanches in Icelandic history. On 26 October 1995, an avalanche at 4 AM destroyed or damaged 32 homes and killed 20 people. |