Private Thorsmork Valley Day Tour by Super Jeep from Reykjavik

Your guide arrives at your accommodation holding a tablet with your name, helps you load any gear, and you set off east along the South Coast. The drive takes around two hours along the ring road before the gravel begins and the highland character of the day takes over.

Seljalandsfoss is one of the very few waterfalls in Iceland where a path leads directly behind the falling curtain of water. The route loops around behind the falls and back out, giving you the South Coast plain visible through the cascade. The path may be closed in winter due to ice - on this seasonal tour it is open, though conditions vary.

A short walk from Seljalandsfoss, Gljúfrabúi is hidden inside a narrow mossy canyon that most visitors to the area walk straight past. Entry requires stepping through a gap in the rock. Inside, the walls close in, the waterfall drops from above, and the light changes completely. One of the South Coast's most rewarding small detours.

Here the tarmac ends and the Defender earns its place. The F249 is an unmaintained highland track that crosses a series of glacial river channels, each one varying in depth with the weather and glacial melt above. There is no bridge. Your guide reads the river, chooses the line, and takes you through at a pace that makes it clear why standard vehicles turn back here. The crossing is not a set piece - it is the reason Þórsmörk stays wild.

Gigjökull is an outlet glacier spilling down from the Eyjafjallajökull ice cap - the same volcano whose 2010 eruption reshaped this landscape and grounded European air traffic for weeks. The glacier tongue descends into a valley floor that still carries the marks of the eruption: dark tephra deposits, altered drainage patterns, and a landscape still visibly in recovery. Your guide provides the context that makes the geology readable.

Stakkholtsgja is the kind of place that takes a moment to reveal itself. The entrance is a gap in the hillside, barely obvious from the outside. Inside, the canyon narrows until the walls are close on both sides and the sky is a thin strip above. A small stream runs along the floor. The hike follows it inward, the space tightening as you go, until the canyon ends at a waterfall sealed into the rock at its head. Very few people make it this far into Þórsmörk. Almost none find this on their own.

Þórsmörk - the Valley of Thor - is one of the most sheltered and quietly beautiful places in Iceland. Three glaciers ring the valley: Eyjafjallajökull to the east, Mýrdalsjökull to the south, Tindfjallajökull to the north. Between them, birch woods and braided glacial rivers fill the valley floor. The contrast between the dark volcanic peaks above and the green of the birch below is unlike anything on the coast. This is where you take your packed lunch, walk at your own pace, and spend time in a place that almost no standard tour reaches.

Your guide drives you back to your accommodation in the Reykjavik area. The total day runs around 9 hours. Much of it is spent on rough tracks and river crossings - which is exactly why Þórsmörk stays so wild and uncrowded.