Yosemite Valley is world famous for its impressive waterfalls, meadows, cliffs, and unusual rock formations. It is a glacial valley that is about 7.5 miles long and 3,500 feet deep. The valley is the main attraction for the park and where you’ll find the crowds during the busy summer season. There are many hiking paths that begin in the valley and lead to higher elevations that provide amazing views of the valley and surrounding area.