Hi, @Victoria08 ! I went on an REI Adventures trip to Yosemite in 2018 (the Yosemite High Country Backpacking Trip) , and it was incredible. Our guides were welcoming, knowledgeable, and created a really unforgettable experience for everyone. The group dynamic was a lot of fun! It was great to meet participants of all ages and experiences levels from different parts of the country. REI offers several different Yosemite adventure trip options, so your group and gear requirements may be a little different for each one. For most of the backpacking trips, you should expect that any group gear will be provided by your guides (tents, cooking gear, water filter, first aid kids, bear canisters, and camping permits). Your local REI store may also provide rentals for other required gear items. I would definitely recommend checking the gear list for whatever trip you are interested in for details. I hope that is helpful - good luck!