It begins at Norwegian National Road 15 along the lake Langvatnet in Skjåk Municipality in Innlandet county and it heads north where it ends at the junction with the European route E136 highway near the town of Åndalsnes in Rauma Municipality, Møre og Romsdal county.

Both the Langvatnet–Geiranger and Trollstigen sections of the road are closed during winter and spring (usually early November to late May) due to the weather conditions (snow and avalanches).

The road descends through a series of hairpin turns northwards towards the village of Geiranger, offering views of the Geirangerfjord in the process.

[4] The ferry connects Eidsdal with Linge, from where the road passes through a number of small settlements, including Sylte, before running through the valleys of Valldalen and Meiadalen.

The northernmost section of the road includes the Trollstigen ("The Troll Footpath"), a further series of hairpin turns which descend a particularly steep mountain.