Hengifoss waterfall

A waterfall measuring over 120 metres in a magnificent gorge, facing Hallormsstaður across Lagarfljót river and easy to walk to from the main road. There are basalt strata at the top of the waterfall, and sandstone beneath them containing fossilized tree trunks, evidence of the much warmer climate in Iceland when this rock was formed during the Tertiary period. Some way downriver is another waterfall, Litlanesfoss, in a beautiful columnar basalt setting.

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