Ormberget 10km is a hilly route with a gravel/dirt surface in Luleå.
Ormberget is a hilly running spot with a soft surface. It could be suitable in the winter time as it has has electric lighting.
If you want to do more than just going out for an easy run there are some good options available.
Track runners might like Skogsvallen
If you want to run after sunset or early in the morning Ormberget 2.2km should have electic lighting.