Best Hoover Dam Tours from San Francisco

This concrete marvel spanning the Colorado River in Black Canyon was built between 1931-36 and originally called the Boulder Dam until it was renamed in 1947 after United States President Herbert Hoover, who played an important role in getting it constructed. Hoover Dam extending from the states of Arizona and Nevada is one of the largest man-made structures in the world at 1,244 feet long and 726 feet high. It produces hydroelectric power, supplies irrigation water and prevents flooding. The U.S. National Historic Landmark that created Lake Mead is visited by more than seven million people annually. Hoover Dam designed by engineer John Savage and architect Gordan Kaufmann. Located nearby Lake Mead and the Grand Canyon, plenty of Hoover Dam tours will include a visit to all three of these amazing attractions.