About 17 miles round trip and 6,640 ft of gain if you include Mt Goode/No Goode, Mt Agassiz, and the descent down into Dusy Basin. - Mt Goode/No Goode + Mt Agassiz = 14.6 miles and 6,035 ft of gain - Mt Goode/No Goode + Dusy Basin = 15 miles and 4,725 ft of gain