Here. This Hike begins at Happy Isles (shuttle stop #16 on the map just provided). The National Parks Services website also has popular hikes in Yosemite Valley listed Here.
Rating: Elevation Gain: 1,900 ft. (Moderate), Distance: 7 Miles Roundtrip (Moderate). For a shortened hike only going to Vernal Fall: Elevation Gain: 1,000 ft. (Moderate), Distance: 3 Miles Roundtrip (Easy).