My first time ziplining and so was a bit apprehensive of what to expect. More so, 'cause I was doing a 12-liner and that too, a bit higher off sea level than I'd like :-). The nice part about the 12-line vs the 6-line is that you start higher, but you also start with the shorter and slower lines, slowly working your way up to the more exhilarating and thrilling rides. By the time you get to the second half (longer/faster), you are a pro!
Our guides, Maddie and Boggs (I hope I got his name right) were just great. Made everyone (including two young kids) feel real comfortable. They sure knew their stuff and took EVERY precaution needed to make us all feel totally safe. Had a great time. Don't fret this one if you've never zipped before. It's great!