Lying low iN Oslo

so we quickly figured that there wasn't much to the city of Oslo (for us)besides the regular old and new buildings, the big brand stores,the usual cathedrals and the city square.. But yes, therz more to the city and thats the marka (woods) sorrounding it :), so we've decided to do just that i.e. get into the woods for a few days...After talkin to a few local dudes, we have shortlisted a super beautiful place/lake called lutvaan to set up base and then do as many day hikes as we like from there...So prep for this began yesterday after chilling and layin low a few days at this beautiful PAID ekeberg camping site. We visited the city center just like the regualr tourists yesterday,However, the purpose was dual, ofcourse to see/walk the city AND visit DMT (not the drug..lol)office for more info on Marka i.e. Lutvaan and how to stay safe i.e. plant n animal hazards,drinking water source, trail marking system, emergency ctc no,maps. etc etc :)...dmt stands for norwegian trekking asso...