This extraordinary lake is the second largest man-made reservoir in the United States behind Lake Mead, storing 24,322,000 acre feet (30 km³) of water when full.
Lake Powell was created by the flooding of Glen Canyon by the controversial Glen Canyon Dam, which also led to the creation of Glen Canyon National Recreation Area
Glen Canyon National Recreation Area, is a very popular summer destination offering memorable leisure activities to American and international visitors.
Do not attempt to leave a permanent remembrance of your visit by carving in the sandstone. It is considered defacement of National Park lands; it is illegal and unsightly.