First time we suggest not particular one wild camp spot, more the area. You will find several nice places in this area to park and sleep in your camper. If you drive this small road up (location of the map marker) there are several more small places to park and you come closer to the dam of Rosskreppfjorden. You can search the web for impressive drone videos from the lake and its dam. If you continue the bigger road Fv337 you will find several nice place to stay a night with the camper. If you are in Spring or Autumn here, check the weather situation. It might get cold or snowy and you should continue driving to get a bit more down from the Fjell.