Norway has removed all restrictions as of September 25th. Norway is open for tourists
Tourist need “EU Digital COVID certificates” (EUDCC) from 24 June 2021. Holders of EUDCC will be allowed to enter Norway, without being subject to testing before entry, testing upon arrival, quarantine and travel registration. Children under 18 years old, who are not holding an EUDCC, must go into entry quarantine. The quarantine can end if they test negative to a PCR test taken no earlier than 3 days after arrival.
Bars and restaurants will not be able to serve alcohol, remote working will be compulsory where possible, mask mandates will be extended and access to public swimming pools and gyms restricted. Source