Trying to locate Kaldestadbakken Farm

I am going to Norway this summer and want to visit the family farm. Stolde Church records indicate my great grandfather was named Hendrick Hendricksson of Kallestabachen farm (Henry Henryson in America). I have used the kart/finn.no map recommended by several of you. Despite hours of searching farms near Etne, I have had no luck. Our family records have an unsigned/undated entry stating that ""The farm that he (Lars) was born in was then called Kallestadbakken but is now called Ostebo.". I have also searched for Ostebo with no luck. Anyone have any ideas?