 Yosemite Valley represents only one percent of the park area , but this is where most visitors arrive and stay . The Tunnel View is the first view of the Valley for many visitors and is extensively photographed . El Capitan , a prominent granite cliff that looms over Yosemite Valley , is one of the most popular rock climbing destinations in the world because of its diverse range of climbing routes in addition to its year @-@ round accessibility . Granite domes such as Sentinel Dome and Half Dome rise 3 @,@ 000 and 4 @,@ 800 feet ( 910 and 1 @,@ 460 m ) , respectively , above the valley floor . 
