Way cool!!! I've always wanted to get involved with something like that! Sadly the closest one is about 2 hours away. Horse trailers cost a lot of money to pull!
I am guessing that was actually a 'wagon train' ride...we did one of those a few years back and it was sooooooo much fun! You ride a certain distance each day, then camp out at a different site each night...we did ours for Camp Courage.