Reykjadalur (“Smokey Valley”) is a beautiful valley in the south of Iceland, characterized by geothermal activity and famous for its “hot river”, where hikers can bathe surrounded by nature.Reykjadalur is located right by the town of Hveragerði, an approximately 40-minute drive from Reykjavik.
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Reykjadalur valley is the most popular and arguably the most beautiful hiking area in Ölfus. Hot springs and colourful areas full of geothermal activity entertain along a hiking trail which leads to a hot river. For some of the length of the river the temperature is perfect for bathing. There is a restaurant called Dalakaffi by the parking lots and toilets at the starts of the hiking route.where you first cross a bridge over a river and a hike on a gravel trail up the Rjúpnabrekku (Ptarmigan slopes) leading to Reykjadalur hot steam valley. The hike is 3 km long one way and will take about 45-60 minutes one way.