Only got one day in Cardiff? Plan your day trip to Cardiff with this itinerary to help you see the most of the Welsh capital. This Cardiff itinerary includes the main things to do in Cardiff as well as some Cardiff hidden gems! | cardiff day trip | cardiff one day | 1 day in cardiff | best things to do in cardiff | best restaurants in cardiff | what to see in cardiff | what to do in cardiff wales | where to eat in cardiff | cardiff wales travel | cardiff travel guide | cardiff rain activities