Moorland Hellisheidi is the lava area to the south of Mts Henglafjoll. The eastern slopes of the area are called Kambar. Most of the lava area is covered with moss, crow and blueberries and willow.
The main road around the country (# 1), which connects the capital area with the southern part of the country, lies across Hellisheidi. The ancient route, which is still very prominent because of the cairns, the lava hut (1830) and the deep grooves worn into the lava by feet of domestic animals and people travelling trough. The present road was opened for traffic in 1972.