>>2264727denmark is shit for nature but very good for camping with friends/gf.
Campsites are always close to towns and roads which means it's easy to convince your friends to go, and it requires very little planning and costs. the woods aren't spectacular or photogenic, but they are well preserved in places, not ugly either, and the general vibe in danish woods is comfy. There are many shelters so you can go with beginners, and the trails are forgiving if you don't bring the right gear. You don't need to bring a million insulation layers which means you have more space for food booze and condoms to sex your gril.
Weather is also quite warm, only a handful of days each year that go deep into the negatives (less than -3), but very humid and wet.
Bornholm is the closest denmark has to real /out/doorness, provided you go outside of the tourist season. though with the 'rooner giving germans and sw*des more time and less freedom, this is basically never