The interactive map shows HC parking spaces at Blindern.
See the map in MazeMap (mazemap.com)
Gaustad
At Gaustad, you will find HC parking by Domus Medica tilbygg and Ole-Johan Dahls hus.
Downtown
At Campus Downtown, the University only has two reserved HC parking spots. They are located on Tullinløkka, right behind Historical Museum. Please see The City of Oslo's website for a map of public HC parking spots (oslo.kommune.no) (only in Norwegian) in the city centre.
Tøyen
The Natural History Museum
You will find HC parking outside the Botanical Garden in Monrads gate, right by the entrance, as well as inside the Botanical Garden, with access from Sars' gate.