Gert-Jan Arijjansen did send me these photos.
This beacon is located a few km. south of the village of Kittilä in the forest.
The route given by Google Earth is as follows:
Go in south-east direction on the Havutie to Oksatie - 0.2 km
Left turn at Koulutie - 0.4 km
Right turn at 79/Valtatie.
Go along the road 79 - 1.6 km
Right turn at Vaaratie - 1.3 km
easy turn right, Unknown road - 0.7 km
Locator KIT, © photos: Gert-Jan Arijjansen