Hoover Dam
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. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over one hundred lives. Originally known as Boulder Dam
| Location Clark County, Nevada/Mohave County, Arizona, U.S. |
Basic Info
| Architectural style Art Deco |
| Built 1933 |
| Height 726.4 ft (221.4 m) |
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Special Event Activities
Important Notice - Special Event Activities may be limited or restricted on the following dates: 2 weeks before and 2 weeks after Easter Sunday; typically the first 2 weeks in August; 3 days after Thanksgiving; and the week after Christmas through the first Monday of the new year. Please contact the
Learning and Education
Guidelines for School Tours - Schedule a school group trip to Hoover Dam. Learning Packet - Download our Learning Packet for use in the classroom. Kids Facts – The place for all of your kid related Frequently Asked Questions! Water Operations – Information for Current River Operations in the Lower
Historical Information & Photographs
The Story of Hoover Dam - A series of articles that explain the history and some of the technical aspects of the dam. These articles offer a more in-depth explanation than the FAQ statements. Hoover Dam Historical Collection - A collection of museum items, historic photographs, and news clippings related
Travelling and Safety
Crossing Hoover Dam: A Traveler's Guide - Not all vehicles are allowed to cross the dam. Review this document to avoid being turned back. (Adobe Acrobat file - 45 KB) Directions to Hoover Dam Hoover Dam Police Department - Providing law enforcement and security services for the dam and its surrounding
