At the postet coordinates you'll find an information board. You are now standing on the norwegian side of the border. This place is easily accesible from both sides of the border.
And now a little task. The cache is hidden at: N68 25.ABC E018 06.DEF
A=Vannbasseng/Water dam
B=Banevokterhytte/Railway guard's hut
C=Gamle Bjørnfjell stasjon/Old Bjørnfjell station
D=E.M Hagfors Fjellstue/E.M Hagfors Mountain Lodge
E=Riksgrensen/Swedish border
F=Bolig for personalet/Worker's quarter
Have a nice bordercrossing adventure!