Avas idaho springs zip line tour offers 6 exciting zips through the beautiful clear creek valley plus 5 additional features such as our jungle bridge 50 foot cliffside free fall surf zip 600 foot dual race line bridge of doom the course is weaved into our forested 9 acre private property with stunning mountain viewsstarting high in the canyon theres just enough time to warm up before you drop into the first class iv rapid you will encounter 30 major rapids on this 8 mile trip drop