If your trip to Katase Onsen is all organized but your itinerary is looking a little empty, let us give you a few hints and tips.This neighborhood gives easy access to Atagawa Tropical and Alligator Garden. Pop it on your travel schedule — you definitely won't regret it!Sometimes short and sweet drives are fun too. Just down the road, Inatori Onsen and Izu Bio Park will keep you busy. Need some more nearby options? Izu Mountain Dogrun is also worth checking out.