Nauthólsvík, Geothermal beach in Reykjavík, Iceland.
Nauthólsvík is a beach in Reykjavík with golden sand created within a controlled lagoon system using sea walls. The location combines geothermal hot water with Atlantic Ocean water and offers changing rooms, showers, hot tubs, and sauna facilities.
The beach was built in 2001 with a sea wall system that transformed the natural coastline into a swimming destination. This project created a controlled zone that remains free to visitors during the season.
The beach functions as a gathering place where residents swim and pursue water activities throughout the year. Sailing lessons and recreational sports happen regularly in the bay, showing how locals integrate this space into daily life.
Water temperatures range from 15 to 19 degrees Celsius (59 to 66 degrees Fahrenheit) during summer months, requiring less preparation than typical Icelandic swimming spots. Visitors should prepare for cool weather and bring appropriate clothing, especially outside the bathing season.
A specialized system blends natural geothermal springs with cold Atlantic water to maintain comfortable bathing temperatures. This engineering approach sets it apart from other Icelandic swimming spots and makes the water accessible even in the country's cool climate.
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