I really enjoyed Bute park. It is huge. Loads of space to have a good run around and an acceptable number of squirrels. Plenty of interesting tree canopies to play under. On my visit there was a dead hedgehog, but no guarantees you will get so lucky. There were less dogs here than in my local (didn’t meet anyone to hang off my ears) but that just left more time for sniffing.
What the humans say:
Ideal for an off lead dog walk (dogs should be on leads in the ornamental garden area). Pretty park with some great views. Dog friendly boat services to Cardiff Bay operate from just inside the park.