Sentinel Falls is a long series of cascades descending into Yosemite Valley alongside Sentinel Rock, at 37°43′40″N, 119°35′48″W. It is a tiered waterfall consisting of 6 major drops totaling 1,920 feet, the longest single drop being 500 feet. It ranks on many lists as the twelfth highest waterfall in the world, although in truth it is roughly the 60th tallest, as most weaker waterfalls don't make it into such lists. Despite its immense height it has a relatively low drainage and is usually dry by July. 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 Valley with Half Dome in the distance. ...