Assistance and information for visitors are available at the Tourist Information Office, Fridtjof Nansens Plass 5, N-0160 Oslo (tel. 24-14-77-00). Free maps, brochures, sightseeing tickets, and guide services are available. The office is open from June to August daily 9am to 7pm, April to May and September Monday to Saturday 9am to 5pm, and October to March Monday to Friday 9am to 4pm.

The information office at the Oslo Sentralstasjon (Central Station), Jernbanetorget 1, is open daily from May to September 8am to 11pm and October to April daily 8am to 5pm. There's no phone.