I thought I had seen from past posts that you could do this excursion and either ride horses or do the ATV tour. I called Aulani and they said you could only do the tour with the horseback riding. I'm not sure if I just got someone who wasn't very helpful on the phone or if that's really the case. Being that Kualoa offers both tours it seemed like a reasonable swap (and like I said I thought that is how it used to be set up). We have someone who will be travelling with us that won't make the weight limit. Any info is appreciated.