Here is Runhellehovet, a rune stone. As far as I can see it is not on the map.

More info: https://www.kulturminnesok.no/kart/?q=&am-county=&lokenk=location&am-lok=&am-lokdating=&am-lokconservation=&am-enk=&am-enkdating=&am-enkconservation=&bm-county=&cp=1&bounds=59.80817262090538,8.691135048866272,59.80381547329327,8.69167149066925&zoom=18&id=56847ee0-3be9-11eb-9432-005056bf3d73

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/238265.jpg