Staircase Falls is a series of waterfalls located on Gossamer Creek in Yosemite National Park, at 37°44′07″N, 119°34′30″W. The falls descend a total of 1,020 feet into Yosemite Valley over a series of steps. Staircase Falls is relatively ephemeral and only flows after rainfall. It is usually dry by May. The falls are located immediately behind Camp Curry on cliffs below Glacier Point. Yosemite Valley with Half Dome in the distance. ... Yosemite redirects here. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area - Total - Width - Length - % water - Latitude - Longitude Ranked 3rd 158,302 sq mi 410,000 km² 250 miles 400 km 770 miles 1,240 km 4. ... Yosemite redirects here. ... Yosemite Valley with Half Dome in the distance. ... An ephemeral river is one in which lasts only a few days. ... Glacier Point, as seen from Yosemite Valley. ...