Öxarárfoss Waterfall in Þingvellir National Park by Daniel Guindo Amezcua. Oxarafoss in Thingvellir on our Golden Circle Platinum Tour. Posted on January 30, 2022October 27, 2022 1350 × 1080 Öxarárfoss Waterfall in Þingvellir National Park by Daniel Guindo Amezcua. Oxarafoss in Thingvellir on our Golden Circle Platinum Tour. Öxarárfoss Waterfall in Þingvellir National Park by Daniel Guindo Amezcua. Oxarafoss in Thingvellir on our Golden Circle Platinum Tour.