Can meet up for a cup of tea and philosophy and a walk around Oslo botanic garden for example this Sunday if you're around?:), there is also a Bhajan with mantras and meditation at 18:30 this Sunday (12 June) with Bjørn Vasu Dev that looks quite cool.
https://www.osloyoga.no/workshops?fbclid=IwAR1Z_HMDDlIvm2HG0l6yISu-h7StkbHRKGsDQFBDxYsSpFO2pRZqvnpU3Pw
Otherwise can recommend taking a trip to western Norway to see more mountains and inspiring nature, such as around Bergen, the Hardanger region, Geiranger etc, or to Northern Norway such as Lofoten if you have time for some really otherworldly landscapes. Rondane, Jotunheimen, Dovrefjell, Telemark national parks are also very nice mountain regions, great for hiking and camping and not too far on the train/bus from Oslo. It could be worth becoming a member of DNT https://english.dnt.no/?_ga=2.185585321.1406325114.1654809805-298387794.1654809805 for access to their cabins and guided outdoor activities.
Otherwise in Oslo can recommend Ekebergparken and Holmenkollen ski jump area for some great views over the city especially at sunset, and Bygdøy, a kind of island connected to Oslo with a lot of very nice small beaches such as Paradisbukta with big views and forest trails. Its possible to take a public boat to a lot of the small islands and the spit of land Nessodtangen from Oslo, which makes for some nice day trips, as well as the town of Drøbak 30 minutes on the bus south of Oslo.
I think you will have a really nice time in Norway, it's an incredible country, especially at this time of year, with a lot of surreal scenery and cosy people.
