Despite whatever you have heard about this park (and believe me you heard something ranging from ridiculous to nasty stuff), it's really an oasis in the middle of the city.
There's a reason why I love Copenhagen (although I must admit that I unfortunately don't go so much to parks), it is the fact that this city has so many great parks inside the city centrum. Take Nørreport st for example, the most busiest station ever in Copenhagen and it's still walking distance to three great parks (Kongens Have, Botanical Garden and Ørstedsparken).
Ørstedsparken is relatively small, but it has beautiful layout (big pond and bridge over it) that makes you just want to spread some blanket and have some picnic there. There's døgnnetto nearby so it's easy to get some eating supplies before going to the park. The size isn't that big either so it's easy to get in and get out again. Need a break between your busy day in Copenhagen? Take a chill pill here between the swans and the trees read more