Fun Hikes at Hetch Hetchy to Wapama Falls
(http://www.hikespeak.com/trails/wapama-falls-hetch-hetchy-reservoir-yosemite/ )
and Yosemite to the top of Nevada Falls- 5.4 Miles, and relatively strenuous. (http://www.nps.gov/yose/planyourvisit/vernalnevadatrail.htm)
