Maybe a boat safari on the lake in front of the Briksdal Glacier ?

Prices: 
El-car ("Troll") to the glacier NOK 210,- pr person (both ways)
Glacier safari (1 hour on the lake) NOK 270,- per person 

This should be ordered on beforehand.

In addition you find a large restaurant, café and a souvenir shop. 

Please find more information at www.briksdalsbre.no
or www.briksdal-adventure.com