I called in March 2012 to see if they had any openings to ride mules and go to all of the High Sierra camps and they did. My husband, 11 yr old son, and myself went along with 7 other riders and 3 wranglers. Our trip was in July 2012. They did a good job and picking out a mule for my son and another 15 yr old on the trip, nothing fazed those mules; however mine got a little spooked occasionally over things like logs, birds, snakes and ?. He would jumped starled or one time he spined sideways and ran over to the side luckily he stopped and I did not fall off. You have to wear helments but after seeing all of the rocks on the trail, and a mule who spooked; I was very glad to have mine. All of the camps had pretty good meals and hot drinks before the meals, I wished they would put a lantern in the mess camp so you could play cards or games at night but they didn't so unless you built a campfire (which we had 2) there wasn't much to do but go to bed, which some nights that is all I wanted to do. You do need your fleece jackets, we used ours every morning and evening, but our t shirts were fine by mid morning. My son swamed in every camp that had a creek or lake nearby, and the cold did not seem to bother him. The trails were dusty so you needed your bandana. We had some really nice wranglers who I enjoyed talking to. Overall we had a good time, if you like riding, moutains, and national parks, you should do this trip.