Leave only footprints. The HHC welcomes non-members for hikes. Descriptions of upcoming activities are available from this page. Occasionally this club at ASU will get together for a hike. Check their Calendar of Events on this page.
Guests are welcome as well.
A very active group that has activities planned for nearly every week of the year. Very active group has list of field trips all over Arizona on this page. They may even lower themselves to allowing outsiders join them. If you don't live in Tucson, don't let that stop you from contacting this group as they are very active with activities all over Arizona. A fun site to browse.