
thumb|320px|Þjórsárdalur with Búrfell (Þjórsárdal) to the left and Hekla to the right thumb|Háifoss waterfall thumb|Gjáin Þjórsárdalur (, ) is a valley in Árnessýsla county in Iceland that lies between the mountain Búrfell, alongside the river Þjórsá to the east and the mountain Skriðufell to the west. The valley is quite flattened over and pumicey after repeated eruption of the nearby volcano Hekla as well as other volcanoes in the vicinity like the Vatnaöldur volcanic system which produced Iceland's biggest known lavafield Þjórsá Lava (Þjórsárhraun) in prehistoric times or the Grímsnes volc
thumb|320px|Þjórsárdalur with Búrfell (Þjórsárdal) to the left and Hekla to the right thumb|Háifoss waterfall thumb|Gjáin Þjórsárdalur (, ) is a valley in Árnessýsla county in Iceland that lies between the mountain Búrfell, alongside the river Þjórsá to the east and the mountain Skriðufell to the west. The valley is quite flattened over and pumicey after repeated eruption of the nearby volcano Hekla as well as other volcanoes in the vicinity like the Vatnaöldur volcanic system which produced Iceland's biggest known lavafield Þjórsá Lava (Þjórsárhraun) in prehistoric times or the Grímsnes volcanic system with the crater Kerið. Landmarks in Þjórsárdal include Þjóðveldisbærinn Stöng, Gjáin, Háifoss, and Vegghamrar.
==Geography and Nature== Þjórsárdalur valley is divided into two valley floors: Rauðukamba in the eastern part; and Bergólfsstaðaá (towards the river Sandá) in the west.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).