Þingvellir mountains in the Golden Circle by Erik Solie, Hidden Iceland. Thingvellir National Park. Posted on October 9, 2022October 27, 2022 1440 × 961 Þingvellir mountains in the Golden Circle by Erik Solie, Hidden Iceland. Thingvellir National Park. Þingvellir mountains in the Golden Circle by Erik Solie, Hidden Iceland. Thingvellir National Park.