How about a long weekend in Eidfjord? Here are suggestions for 3 days of adventures for seniors.
Take a walk to Eidfjordvatnet and around Hæreid with burial mounds from the Viking and Iron Ages. Visit the viewing platforms at Fossli with spectacular views of Vøringsfossen waterfall and Måbødalen valley. Do a Cider tasting at one of the hotels.
Go on a photo safari on the Hardangervidda and by the fjord with Hardanger Guideservice. Experience the Viking Exhibition at Tunet på Haugen. Visit a chocolate factory, incl. tasting. Visit Gallery Nils Bergslien (check opening hours).