The Ring Road is fine. The stuff between the Ring Road is what eats people.
I spent three summers driving around Iceland. Wrote it all down somewhere when it was easier to find than it is now. You can think of it as a Field Guide For Travel To Iceland Roadmap if you want. It lives at icelandroadguide.is The thing nobody tells you is that Route 1 is not the same in July as it is in April. In summer the gravel shoulders are baked hard. In spring they turn to soup the moment rain hits them. A truck from Reykjavik can drop you at Höfn without incident in June. The same route in May with a rental car that has ground clearance measured in centimeters will end with you calling for recovery and paying twelve hundred dollars. Here is how to actually plan this trip without losing money on insurance or getting stranded.
Field Guide For Travel To Iceland Roadmap
The site organizes the island into sections. Each section has crossing points, fuel gaps, and road surface details. The useful part is not the pretty photos. It is the fuel station data. Some stretches north of Akureyri go forty kilometers without a working pump. I learned that the hard way near Dettifoss when the pump at the only station was out of order and the receipt scanner was broken too. You fill up before you commit to those distances. Always. Use the F-roads tab to figure out what you can actually drive. Most people renting a regular car assume F-roads are optional scenic detours. They are not optional. They are illegal for two-wheel-drive vehicles and most rental contracts void coverage immediately if you cross one without permission. The road conditions site vegagerdin.is marks them open or closed daily. Check it before you leave every morning. Apps lag. The government site updates in real time. Weather routing matters more than anything else. Vedur.is gives you hourly wind and visibility forecasts. Wind hits sixty meters per second in winter storms. That knocks standing humans over. I watched a woman in a hatchback try to walk her car through a snow wall near Kirkjubæjarklaustur. She did not make it. The tow bill was real. If the forecast shows whiteout conditions on the eastfjords, do not go. Turn around and wait. The mountains will still be there tomorrow.
Fuel strategy. Buy your fuel in towns. Never fill up at gas stations with no attendant nearby unless you have tested the card reader yourself. Foreign cards fail on older pumps in the westfjords more often than you would think. Carry cash for those. It sounds absurd until your card gets declined at a station with no cell signal and darkness falling. Camping is cheaper than hotels and honestly more reliable in summer. The camping sites run by municipalities are clean and have hot showers. Book them through Iceland camping. Independent sites fill fast in July. I have seen people camp near parking lots because they did not book ahead. Bears do not live here. Broken bottles and suspicious urine do.
The mistakes that actually happen
People underestimate how cold it gets in September. Daylight shrinks to six hours by the end of the month. Tourists arrive in t-shirts because they read "mild climate." They are not prepared for the fact that midnight sun ends and temperatures drop to near freezing within the same week. Pack layers even in August. Another thing: glacier hikes require equipment you cannot borrow in small villages. I tried to book a tour near Hofsjökull without ice axes and crampons because I assumed the outfitter would provide them. They did not. I drove two hours back to Höfn to rent gear I should have packed at home. Bring them. Renting last minute costs more and availability drops to zero. Driving on gravel requires technique. Reduce speed to sixty kilometers per hour minimum on those roads. Dust from trucks blinds you completely. Stay behind large vehicles only when you can see the road edges clearly. Pass on straight stretches with solid visibility. Do not pass on curves. A single curve on the highlands hides a washed-out shoulder every year.
Download offline maps. Google Works offline for limited stretches but it stops working where it matters. Maps.me or OsmAnd hold the entire island and update more frequently. Cell coverage follows the road mostly. Where it does not, your phone becomes a brick for navigation.
What the guide does not cover well
It does not cover glacier access in detail because conditions change weekly. It does not predict waterfall parking lot capacity during peak season because that is impossible. It does not list every restaurant because they close and reopen constantly. Treat it as a starting point, not a bible. Cross reference everything with veggerdin for roads and vedur.is for weather on the same day you travel. The guide assumes you have a car with decent ground clearance. If you are flying a camper van in winter, the advice shifts significantly. Winter travel requires different priorities. Daylight, tire chains, and knowing where the next warm building is matter more than waterfalls. The site has a winter section but it is thinner than the summer content. Do not plan a December trip relying only on that guide. ICeland is beautiful. It will try to inconvenience you. Plan around that and you will have a good trip.