Hårteigen is a characteristic mountain in Vestland county, Norway.

The mountain is located in the municipality of Ullensvang, and it is inside the Hardangervidda National Park.

[3] At an elevation of 1,690 metres (5,540 ft) above sea level, the peak of Hårteigen rises 480 metres (1,570 ft) above the surrounding plateau which is fairly level.

It is located about 30 kilometres (19 mi) northeast of the town of Odda.

On the large and flat plateau of Hardangervidda this mountain was important for travellers to find the direction.