Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, …

Here is where you will find a description of the tour, admission fees, directions and more. Click on image or link for large pdf version of map. Tour Information. Frequently Asked Questions - Answers to the most asked questions regarding the construction and operations of the dam.

Sep 13, 2024 · The Hoover Dam (originally known as the Boulder Dam), which holds back the mighty Colorado River, is a sight to behold. This truly remarkable structure forms Lake Mead and is located on the Arizona-Nevada border on Highway 93.

Mar 6, 2025 · Hoover Dam, dam in Black Canyon on the Colorado River, at the Arizona - Nevada border, U.S. Constructed between 1930 and 1936, it is the highest concrete arch- gravity dam in the United States. It impounds Lake Mead, which extends for 115 miles (185 km) upstream and is one of the largest artificial lakes in the world.

Hoover Dam, spanning the Arizona-Nevada border about 30 miles southeast of Las Vegas, is the most-visited dam in the world, counting some 7 million tourists a year.

Apr 14, 2010 · The largest dam in the world at the time of its completion in 1935, this National Historic Landmark stores enough water in Lake Mead to irrigate 2 million acres and serves as a popular tourist ...

Plan a visit to the Hoover Dam with our tips. Tours, directions to Hoover Dam from Las Vegas, history, things to do, fees, and more.

Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two football fields are long. Each spillway, designed to let floodwaters pass without harming the dam itself, can handle the volume of water that flows over Niagara Falls.

Mar 11, 2025 · The Hoover Dam remains the second tallest dam in the country. 7. It’s America’s Largest Reservoir. Lake Mead is one of the massive products of the Hoover Dam. The lake was created by blocking some of the water from the Colorado River, and it boasts a water capacity of 26 million acre-feet. The national gem is located between Nevada and ...

An engineering wonder of the world, the Hoover Dam spans the Colorado River across the Arizona/Nevada border, within Lake Mead National Recreation Area near Las Vegas