Oscarsborg is only a five-minute ferry trip away from town, and the ferries go every day year round.
For the exact ferry schedule, please check the website "Fergetider/priser", or call info. phone no. (+47) 81551900.
Alternatively contact Drøbak Tourist Information on (+47) 64 93 50 87.
Tickets can be bought on the quay or on the ferry.
The price for a round trip in the summer season is NOK 70 for adults, and NOK 50 for children.
There is also a family ticket (2 adults and up to 3 children) at NOK 180. (In the winter season there are fewer activities at Oscarsborg and the round trip ferry ticket is priced at NOK 50 and NOK 35, respectively).
From May on, there is also a weekly ferry connection from Oslo/Aker Brygge that goes via Nesodden, and one from Sætre in Hurum.
Parking
There is ample free parking at Sundbrygga quay.
Guest harbour
For visitors arriving by private boat, Oscarsborg Guest Harbour is staffed, and a pleasant place to arrive.