Hoover Dam

Quick Facts

Hoover Dam


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Things To Do



Hoover Dam on the Colorado River, is a feature of the Boulder Canyon Project - Hoover Dam. Located on the Arizona-Nevada state line, at 726 feet it is the highest concrete dam in the United States, a National Historic Landmark, and one of America's Seven Modern Civil Engineering Wonders. The Bureau of Reclamation started conducting guided tours through Hoover Dam and Powerplant in 1937. More than 1,000,000 visitors a year take the tours and millions more drive across the dam. A new visitor center and 400 car parking garage opened in 1995. The visitor center includes a theater, exhibit gallery, and a rooftop observation deck. Food and beverages are available at the dam also. Visitors may visit an outdoor overlook above the dam and a room where power is generated. The visitor center contains an exhibit gallery and a film about the dam's construction during the Depression.

Operating Hours: Open 9 a.m. to close, 5 p.m. (All times are for the Pacific-time zone). The Hoover Dam Visitor Center is open every day of the year except for Thanksgiving and Christmas.

Note: Ticket sales for the Discovery Tour will begin at 9:00 AM and end at 4:15 PM. The visitor center will close at 5:00 PM. To see it all, it is recommend visitors arrive by 3 p.m. Pedestrians are prohibited from the top of the dam during hours of darkness.

Please click on the Hoover Dam web page to find out more about visitor opportunities.

Map of Hoover Dam

Latitude, Longitude: 36.016259, -114.737129



  • Hiking

    The Historic Railroad Tunnel Trail, managed by the National Park Service leads from Lake Mead Recreation Area to the Hoover Dam. It travels along a historic rail bed that was used during the construction of the dam. For more information visit http://www.nps.gov/lake/planyourvisit/hikerr.htm.

  • Historic Sites

    The Bureau of Reclamation has conducted tours through the Hoover Dam and powerplant since 1937. Today, close to 1,000,000 visitors a year take the tour and millions more drive across the dam. It's also possible to learn more about the dam at the visitor center. Advance tickets for tours and visitor center admission are available via the official website.

    The Bureau of Reclamation maintains a collection of museum items, historic photographs, and news clippings related to Hoover Dam. The "Hoover Dam Collection" includes more than 5,000 items associated with the heritage of the dam, the Boulder City area, and Reclamation. Such artifacts include badges, brochures, electrical instruments, clothing, artwork, newspaper and magazine clippings, and more. The collection also contains approximately 20,000 photographs and about 2,000 slides. Many items may be viewed through the on-line Collection Catalog, a searchable database of cultural resources and related materials from the permanent collection of Hoover Dam and can be accessed at http://www.usbr.gov/lc/hooverdam/collection.html.


The busiest season at Hoover Dam is in the summer from Memorial Day until Labor Day. The slowest months for visitation are January and February, and the least crowded time of day for tours is from opening until 10:30 a.m. and 3 p.m. until closing. Traffic around the dam during holidays and weekends can be extremely heavy with long delays on the roadways to the site. To enjoy the site entirely, it is recommended that visitors arrive by 2 p.m. as pedestrians are prohibited from the top of the dam during hours of darkness. Hoover Dam is located in a desert climate. It is extremely HOT in the summer. During summer months it is recommended that you wear light clothing and a hat, use sunscreen and sun glasses, and carry water bottles on the tour.

Park Partners

Denison Parking

Denison Parking sells tour tickets and visitor center admission tickets.



Hoover Dam is located 30 miles southeast of Las Vegas, Nevada on State Highway 93 at the Nevada-Arizona border. Commercial trucks (18-wheelers) are prohibited from crossing the dam, and must use the Highway 95 detour through Laughlin, Nevada/Bullhead City, Arizona. Most passenger vehicles are allowed to cross the dam, but all are subject to inspection at security checkpoints. (Note: Contents of moving vans and enclosed campers must be easily inspected.) Motorhomes and other high clearance vehicles (with dimensions greater than 10.5 feet high and 23 feet long) CANNOT park in the Parking Garage and must use parking areas on the Arizona side of the dam.

Phone Numbers


(866) 730-9097