Nupen is a coastal viewpoint west of Harstad where the road opens to a wide sweep of sea, islands, and mountains. Locals often treat it as one of the area's best sunset spots, and on clear evenings the horizon does most of the work.
This is a simple stop, not a developed attraction. Bring a jacket, give yourself time for changing light, and consider it part of a wider drive through the Harstad coast rather than a destination that needs hours on its own.