Yes, this is a groaner. Feel free to pun-itise your log!
This little urban micro shouldn't take you too long to find. It's in one of the many delightful parts of the winding green belt through the town. As such there are 4 possible entrances to get you on to the park itself.
You are looking for something that Bilbo would have found in Beorn's garden, but unlike Bilbo, pleae leave this one in place.
Some stealth is required as many are the windows that watchers will be lurking in.