Apart from seeing the sights it's not much more to du in Rosendal itself, however the surrounding area is very nice for hiking, with beutiful mountain terrain. Several summits can be reached from footpaths that starts in Rosendal.
hiking
For more info on hiking in the area, ask staff of the place you are staying, or the tourist information office. It's a good idea to bring a map, and to make sure that you are in good enough condition for the trip you are planning. Note that many of the mountains in this area are very steep, so a short distance may take some time to cover the view from the top however, makes it worth it!.
In Kvinnherad municipality 69 paths have beed marked and graded, so that you can choose a walk that suits you.
glacier
Folgefonni Breførarlag, 5627 Jondal, â +47 95117792 [email protected], . edit
Rosendal is a nice base for visiting the Folgefonna Glacier. Folgefonni Breførarlag have guided tours (and you will need a guide for walking on the glacier itself. It's also possible to walk up to the glacier through the Bondhusdalen.
Note that you may have to arrange your own transport from Rosendal to Mauranger, where some of the trips start just less than 30 minutes of driving.