For hiking enthusiasts the trek to yosemites half dome is a rite of passage one that many hikers prepare for with training take the strenuous challenge on a full day guided hike to the top of yosemite national parks iconic landmark your expert yosemite guide provides you with safety gear and coaches you throughout the 12 hour day to make sure that you reach the summit safely the physically challenging hike to the top of half dome is suitable for athletic adults who want to attempt this