Þjóðveldisbærinn Stöng is a reconstructed viking-era Long house or farmstead in Iceland, located in the Þjórsárdalur valley near road 32 in the Árnessýsla county. It is a replica of the building which stood at Stöng 7 km to the north which was buried under volcanic ash in 1104 following the eruption of the volcano Hekla.