Reykjadalur hot river hike: plan the full outing

Decide if Reykjadalur fits your day

Reykjadalur suits travellers who want a walk through a geothermal valley and are happy to carry everything needed for an outdoor soak. It is not a roadside pool. The official destination page describes a hiking trail to a hot river where part of the water is suitable for bathing. [1]

The walk out, time beside the river and the return all belong to the same plan. If your day has a fixed activity, a long onward drive or little daylight, decide first whether the complete outing fits. Do not reduce the plan to the time you hope to spend in the water.

Plan the whole return outing

The local walking page places the warm springs in Reykjadalur among the marked trails north of Hveragerði. It also repeats that the trail can close and asks visitors to stay on paths to protect the vegetation. [2]

This guide does not give a universal walking time or difficulty grade because the current official pages reviewed here do not publish one that applies to every visitor and condition. Judge the outing from current information, your pace and the needs of everyone in your group.

Use only the established bathing section

The suitable part of the river is the destination. Pools, vents and mud elsewhere in the valley are geothermal features to observe from the path. The Environment Agency warns that geothermal water and mud may be hotter than boiling water and that thin ground can cause serious burns. Follow barriers and instructions rather than testing an unfamiliar place. [5]

At the bathing section, enter only if the water, footing and conditions feel comfortable. Keep soap and shampoo out of the river. Give other visitors space, secure loose belongings and leave without a trace.

Stay aware of the return walk while you are in the water. Becoming warm during the soak does not make wet clothing, wind or rain easier on the way back.

Pack for the walk back

Safetravel advises hikers to prepare for changing Icelandic conditions and to use clothing and equipment suited to the trip. For Reykjadalur, a compact bag should support both the hike and the soak. [3]

• Walking footwear: choose shoes with grip that you can wear for the complete return journey.
• Weather layers: carry warm clothing and protection from wind and rain.
• Bathing kit: bring a swimsuit, towel and a dry bag for wet items.
• Food and water: carry what your group needs for the full outing.
• Phone and power: keep your phone protected and charged, without treating reception as guaranteed.

Pack so that your hands remain available on the path. Glass containers are a poor choice around a natural bathing area. Carry every item and every piece of rubbish back with you.

Plan without assuming riverside facilities

The current official destination and walking pages reviewed for this guide do not confirm changing rooms, showers or toilets beside the bathing section. Plan to be self sufficient at the river and use only facilities that are actually open at the access area when you arrive.

Wear your swimsuit under walking clothes if that makes changing simpler, and carry a towel large enough to change discreetly. Keep dry clothes protected from rain and river water. Do not use the landscape as a toilet or leave wet clothing, tissues or other waste behind.

If dependable changing rooms, showers or lifeguards matter to your group, choose a staffed swimming pool instead. Our natural swimming pools guide explains how outdoor sites differ, while the natural hot springs guide compares Reykjadalur with two Highland bathing journeys.

Keep a flexible Hveragerði plan

If you prefer to stay in town, our Hveragerði town guide separates the geothermal park, history walk and earthquake exhibition from the river hike, with winter opening checks.

Build the day around the latest trail and weather information, not around a promise that the soak will happen. Hveragerði can still be a useful South Iceland stop if the path is closed or the conditions do not suit your group, but confirm any venue before relying on it.

• Before driving: check Umferðin for the road you will use. [7]
• Before walking: read the weather forecast and public warnings. [6]
• At the trail: follow current signs, barriers and local instructions.
• If plans change: choose a town based stop or continue your journey rather than forcing the hike.

Our Travel conditions page brings dated official planning links together. It is not an emergency service and does not replace the original sources.

Common questions