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DrivingIceland 4x4Pure Adventure: The 9 Best F-Roads in Iceland
Aerial of an F-road in Iceland
Go Car Rental Iceland travel writer Aron Freyr
By Aron FreyrFeb 25, 2025 • 5 min read Updated: Mar 31, 2025

Pure Adventure: The 9 Best F-Roads in Iceland

Iceland’s Highlands are full of incredible landscapes, from volcanic deserts to glacier-covered mountains. The best way to see them is by driving the F-roads, which are unpaved mountain roads. These roads need a 4x4 vehicle because they are rough and remote. They are only open in the summer, from June to September, when the snow melts. This article will guide you through the top F-roads, what makes each one special, and how to drive them safely. Whether you’re renting a car or planning your first trip, we’ve got you covered.

Key Takeaways

  • F-roads are unpaved highlands roads that need a 4x4 vehicle and are open only in summer. A 4x4 is required by law to navigate the F-roads.
  • Check road conditions on road.is before you drive since the weather can change fast.
  • Each F-road has different challenges, like river crossings or bumpy paths, so choose a road that matches your driving skills.
  • Bring food, water, and emergency supplies, and ensure your rental car insurance covers F-roads.

1. F26 - Sprengisandur

F26, or Sprengisandur, is a long, 200 km road connecting Iceland’s north and south. It passes through a black sand desert with views of far-off glaciers like Hofsjökull. The landscape feels empty and wild, almost like the moon. It’s a moderately challenging drive, with one big river crossing at Haga-Kvísl that gets tricky after rain. The trip takes 3-4 hours, and there are no gas stations or shops, so you need to be ready.

A large 4x4, like a Land Cruiser, is best for this road, especially the river. A smaller SUV might work if the weather is dry, but a bigger one is safer. The road takes you super close to Hrafnabjargarfoss Waterfall, a lesser-known wonder that will leave you in awe. Stop at Nyidalur Mountain Hut to rest and enjoy the glacier views. Since it's a remote journey, fill your tank and bring extra snacks before you start.

2. F35 - Kjolur

F35, called Kjolur, is a 168 km road that’s great for people new to F-roads. It’s one of the easier ones, with no big river crossings, and it shows off glaciers like Langjökull and Hofsjökull. You can stop at Hveravellir to see hot springs or Kerlingarfjoll for colorful mountains. The drive takes about 3 hours and is open from early June to late September.

Any 4x4 can handle this road, and in good weather, some 2WD cars might make it, but as we mentioned, it's not even allowed. Check out Hvítárvatn Lake and Gullfoss Waterfall, which are close to the route. It’s a smooth way to see the Highlands without too much stress.

3. F249 - Thórsmörk

F249 goes to Thórsmörk, a valley surrounded by glaciers and green hills. It’s only 32 km, but it’s a tough drive with several river crossings, including the deep Krossa River. The scenery is amazing, with mountains and trails everywhere, but it’s not easy. This road is open from June to September, and some rental companies don’t allow their cars here because of the water.

You need a super jeep or a big 4x4 with high clearance, and beginners might want a guided tour. For safety, go slow through the rivers and follow other tire tracks. Thórsmörk has some of the best hiking trails in the country, so it’s worth the effort if you’re prepared.

4. F88 - Askja

F88 leads to Askja, a volcanic spot with craters that look out of this world. The 79 km road has two significant river crossings, like the Lindaá, which can be hard to pass. You’ll see Herðubreið mountain and the Viti crater lake, where you can swim if you want. It’s open from June to September, and it’s a challenging drive.

A medium 4x4 works, but a larger vehicle or super jeep is better for the rivers. Take it slow, and if the water looks too high, wait or turn around. Askja’s unique views make it a standout trip for brave drivers.

5. F225 - Landmannalaugar

F225 takes you to Landmannalaugar, a place with bright rhyolite mountains and hot springs. The 41 km road has a few small river crossings that are usually easy. It’s a good middle-level road for practicing F-road driving. The trip takes 1-2 hours and is open from mid-June to late September.

Any 4x4, even a small one like a Suzuki Jimny, can handle this road. When you get there, hike the Laugavegur trail or soak in the hot springs. The nearby Fjallabak Nature Reserve has colors that make the land look like art.

6. F208 S - Fjallabaksleið Nyrðri South

F208 S, or Fjallabaksleið Nyrðri South, is a 102 km road that takes you to Landmannalaugar, too. The road is moderately tough, with a few river crossings that can be tricky after rain. It’s open from June to September, but always check road conditions first.

You’ll need at least a medium-sized 4x4 for this road, though a larger vehicle like a Toyota Land Cruiser is better for the deeper crossings. The drive is bumpy, with gravel and rocky patches, so take it slow. Stop at Frostastaðavatn Lake for a peaceful break, and don’t forget to pack a swimsuit for the hot springs at Landmannalaugar.

7. F228 - Veiðivatnalæið

F228, or Veiðivatnalæið, is a short 21 km road that feels like a trip to the moon. It’s a challenging drive through a volcanic desert with black ash and crater lakes. There are two river crossings, one of which can be deep and fast in early summer. This road is open from June to September, but it’s remote, so be ready for anything.

A 4x4 with high clearance is a must here, as smaller cars might get stuck. The road is rocky and narrow, with no services, so bring extra fuel and a GPS. The crater lakes are a beautiful surprise, and if you’re into fishing, this area is perfect for a quiet day out.

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8. F232 - Öldufellsleið

F232, or Öldufellsleið, is a short but exciting road where you actually drive over the Bláfjallafoss waterfall. It’s a thrilling experience, but the crossing can be slippery, so it’s rated as challenging. The road is open from June to September, and it’s a great way to see glaciers up close.

You’ll need a medium-sized 4x4 or larger to handle the wet, uneven surface. Go slow through the waterfall and enjoy the views of Öldufellsjökull glacier nearby. This road is perfect for a quick adventure, and it pairs well with other nearby F-roads like F210.

9. F910 - Austurleið

F910, or Austurleið, is a long, rugged road that leads to Askja, the cool volcanic area with craters and geothermal lakes we explained before. It’s a challenging drive with several river crossings that can be deep, especially in June and July. The road is open from June to September, but it’s one of the hardest F-roads, so plan carefully.

A high-clearance 4x4, like a Land Cruiser, is necessary for this trip. The terrain is rocky, and the isolation means you need to be self-sufficient. Stop at the Dreki campsite near Askja to explore the area, and don’t miss the Holuhraun lava field, which is still fresh from a 2014 eruption.

Austurleið covered in snow

General Tips for Driving F-Roads

Driving Iceland’s F-roads is an adventure that needs some planning to keep it fun and safe. Here are the key tips to help you out:

  • Check road conditions daily on road.is, since weather can shift quickly.
  • Pack a spare tire, jack, and tow rope for emergencies.
  • Go slow and steady through river crossings, and don’t stop halfway.
  • Confirm your rental car insurance covers F-roads, as many policies skip river or undercarriage damage.
  • Travel with another vehicle for safety, especially on isolated roads like F228 and F910.
F-road in Iceland surrounded by greenery

Conclusion

Driving Iceland’s F-roads is a special way to see the country’s wild beauty, but it takes planning. Each road, from the long Sprengisandur to the colorful Landmannalaugar, offers something different. Pick the right car, check road conditions every day, and bring supplies for safety. With good preparation, these highland roads will give you an adventure you won’t forget.

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