Located in the Southern Region of Iceland, the Þórsmerkurvegur is a very exciting and challenging drive. There are a lot of river crossings on the road.
The road starts off as paved (249) and then switches to gravel (F249). It leads from the Ring Road to Þórsmörk Nature Reserve. A traveler on this road must be experienced and completely devoted to safe, slow and obstacle-conscious driving to deter danger. It is a rough and challenging road only for a 4 wheel drive vehicle with significant ground clearance. Driving in a small passenger car is simply and plainly irresponsible and can be very dangerous. It’s one of the famous F Roads of the country.
The drive is 31.9 km long. It’s only open during the summer months, usually between late June and early September. Avoid committing your vehicle to what is in front of you until you are sure of what you are getting into because things could get worse. The drive is very scenic. It’s a popular tourist destination in the southern Icelandic highlands. There is absolutely so much to see on your way there that you can spend a whole day on this road.
There are some streams, creeks, and rivers you need to cross to get to Þórsmörk Nature Reserve. Crossing big rivers requires a bit of experience. You will have to cross 15 - 20 rivers. Only well equipped jeeps and larger vehicles are able to cross the rivers. These rivers can be dangerous. Always check the river to ensure that it's not too deep.