Rubuta ci gaba ga wannan sakin layi - An nuna zane-zanen canyon na Frederick S. Dellenbaugh a cikin Saint Louis World's Fair
a cikin 1904, ya biyo bayan labarin da ya dace a cikin "Scribner's Magazine" a shekara mai zuwa. Labarin da zane-zane, tare da hotunan da aka yi a baya, zane-zane, da rahotanni, sun haifar da sanarwar Shugaba William Howard Taft a ranar 31 ga Yuli, 1909 wanda ya kirkiro Mukuntuweap National Monument. A shekara ta 1917, mukaddashin darektan sabon da aka kafa na National Park Service ya ziyarci kogin kuma ya ba da shawarar canza sunansa daga Mukuntuweap da ba a san shi ba zuwa Zion, sunan da al'ummar Mormon ta yi amfani da shi. Majalisa ta Amurka ta ƙara ƙarin ƙasa kuma ta kafa Zion National Park a ranar 19 ga Nuwamba, 1919. An sanar da wani keɓaɓɓen Zion National Monument, yankin Kolob Canyons, a ranar 22 ga Janairu, 1937, kuma an haɗa shi cikin wurin shakatawa a ranar 11 ga Yuli, 1956.