Hoover Dam

Hoover Dam is a concrete arch-gravity dam across the Colorado River in Black Canyon, on the border of Nevada and Arizona, about 40 km south-east of Las Vegas. Built between 1931 and 1936, it rises 221 metres and holds back Lake Mead. A visitor centre, an overlook and guided tours of the power plant and the dam's interior are open to the public.

Good to know

Opening hours: Mon–Sun 09:00–17:00

Hours checked October 15, 2026 · source usbr.gov

When to go

Today’s hoursAll weekHide week

Mon09:00–17:00

Tue09:00–17:00

Wed09:00–17:00

Thu09:00–17:00

Fri09:00–17:00

Sat09:00–17:00

Sun09:00–17:00

Frequently asked questions

What are the opening hours of Hoover Dam?

Opening hours: Mon–Sun 09:00–17:00.

Official site

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