Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas
Las Vegas, United States

Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour

Outty Ranking 71 5.0 · 22 traveler reviews6 hoursFrom $115

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September 2026

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Adults

Age 13 and over

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Age 12 and under

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From, per person$115
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Outty Ranking

71/100

Strongly Recommended. Our proprietary evaluation. How we score

Traveler rating

5.0/5

Based on 22 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.

Quick answer

Is Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour worth booking?

Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour is a 6-hour experience in Las Vegas, United States, from $115 per person. It scores 71 out of 100 on the Outty Ranking, which we label “Strongly Recommended, based on a 5/5 rating across 22 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.

Outty Ranking
71 / 100
Rating
5/5 (22)
Duration
6 hours
From
$115 per person

Join our all-inclusive, award-winning SMALL GROUP TOURS today! Ranking as TripAdvisor's 5th best tour operator in America with 20 years of experience, our personal, small group Hoover Dam tours are designed to maximize y

What you get

    About this experience

    Join our all-inclusive, award-winning SMALL GROUP TOURS today! Ranking as TripAdvisor's 5th best tour operator in America with 20 years of experience, our personal, small group Hoover Dam tours are designed to maximize your time and experience. Immerse yourself with our tour to the engineering marvel that is Hoover Dam. This intimate, engaging experience with a small, friendly group designed to maximize your expereince. Our tour guides will share in-depth knowledge, history, and facts about Hoover Dam. Tours include hotel pickup/dropoff, photo stop at Fabulous Las Vegas sign, breakfast, photo stop at Lake Meade Overlook, power plant pass, guided walk onto O'Callahan-Tillman Bridge, and guided tour onto Hoover Dam.

    What's included

    Included

    • Bottled water
    • Breakfast
    • Power Plant Tour Pass

    Not included

    • Gratuities

    What you'll see and do

    1. Welcome to Fabulous Las Vegas Sign

      PHOTO STOP: We stop at the most photographed sign in the world to let you add your photograph with it!

      15 minutes here

    2. Mohave Desert

      DRIVING: We drive to Boulder City, Nevada and narrate the rich history of Las Vegas, the Mohave Desert, and southwest geology.

      30 minutes here

    3. Boulder City

      BREAKFAST STOP: We include breakfast on your exciting Hoover Dam tour. We stop at Jack-in-the-Box in Boulder City.

      30 minutes here

    4. Boulder City

      HISTORIC BOULDER CITY DRIVING TOUR: We drive through historic, downtown Boulder City so see where the 20,000 workers who built Hoover Dam lived.

      15 minutes here

    5. Lake Mead National Recreation Area

      LAKE MEAD OVERLOOK PHOTO STOP: We stop at the stunning Lake Mead Overlook to see the Boulder Basin part of the 110 mile long lake.

      15 minutes here · Admission not included

    6. Hoover Dam Bypass

      O'CALLAHAN-TILLMAN MEMORIAL BRIDGE PHOTO STOP: We'll give you a guided walk to the bridge, where you'll stand 901 fee over the Colorado River!

      30 minutes here

    7. Hoover Dam

      HOOVER DAM POWER PLANT TOUR: Here, you'll desend deep into the bottom of Hoover Dam and take a power plant tour. Your power plant tour ticket is included in the tour.

      60 minutes here · Admission included

    8. Hoover Dam

      GUIDED WALK OVER HOOVER DAM: We'll let you gift shop then take a guided walk over Hoover Dam. You'll see both the power plant and resevoir sides.

      30 minutes here · Admission included

    9. Hoover Dam

      ARIZONA OVERLOOKS: We'll drive to the overlook points in Arizona to get an impressive view of the intake manifolds and resevoir.

      30 minutes here · Admission included

    10. Mohave Desert

      We'll depart Hoover Dam and return to Fabulous Las Vegas! Yay!

      60 minutes here

    Where it starts and ends

    Hotel pickup

    Pickup is included for all travelers. Pickup begins about 30 minutes before departure.

    Before you book

    Cancellation
    For a full refund, cancel at least 24 hours before the scheduled departure time.
    Languages
    en, es
    Ticket
    Mobile Only
    Runs on
    Mon, Tue, Wed, Thu, Sun
    Group size
    Up to 12 travelers per booking
    Operated by
    Grand Adventures Tours

    Know before you go

    • Infants and small children can ride in a pram or stroller
    • Public transportation options are available nearby
    • Suitable for all physical fitness levels

    Photos

    Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas, photo 2Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas, photo 3Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas, photo 4Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas, photo 5Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas, photo 6Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour in Las Vegas, photo 7

    What travelers are saying

    Outty’s summary of the themes that recur across 22 traveler reviews. Written by us, not quoted from reviewers.

    The guide

    6 mentions

    Travelers single out the guide as the reason the experience works.

    Knowledge and storytelling

    5 mentions

    Reviewers describe the commentary as informative rather than scripted.

    Photo opportunities

    4 mentions

    The views and photo stops come up again and again.

    Small groups

    3 mentions

    The group size is repeatedly described as intimate rather than packed.

    Traveler reviews

    22 verified traveler reviews for Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour. Ratings and reviews provided by Viator and Tripadvisor.

    5 star
    22
    4 star
    0
    3 star
    0
    2 star
    0
    1 star
    0
    Sort
    louisz418 · June 2026

    Grand Adventures Tours.

    Paul was an excellent guide. Very friendly and helpful. Also a fellow Michigander!

    via Tripadvisor

    DavidP837 · April 2026

    Another great tour!

    This was our third tour with this company. Darryl only does small group tours and he does them well! Prices are very reasonable, especially for Vegas. Darryl is very knowledgeable about Nevad and Vegas and answered any questions we had. I would highly recommend any of the tours he has, you won't be disappointed! We will use Grand Adventure tours again.

    via Tripadvisor

    T5374BMsallym · April 2026

    GREAT

    The tour was a great excursion from Las Vegas. Alfonso was very friendly and easygoing. He was a great tour guide, informative and very knowledgeable. He took great pictures of our group at the Las Vegas welcome sign and at the Hoover Dam. The transportation was comfortable and pick up convenient. The experience was amazing.

    via Tripadvisor

    Kieszka1 · March 2026

    Great personal small group tour

    Nice tour, very personal. We did not make it onto the bridge, but enjoyed the facts and commentary from Alfonso. He took lots of fabulous pictures and sent them to us. Would definitely use again!

    via Tripadvisor

    Escape56210431368 · March 2026

    Relaxing

    Great information throughout the day including lots of info not necessarily having to do with the dam.

    Response from the operator: Thanks for the review! We are also the only tour operator who includes the power plant tour. It's a very formal, indepth tour of Hoover Dam, not just a stop and go sightseeing tour.

    via Tripadvisor

    Good to know

    Duration
    6 hours
    Free cancellation
    Up to 24h before
    Minimum age to book
    All ages
    Availability
    Bookable today
    Runs on
    Mon, Tue, Wed, Thu, Sun
    Price range
    $115 to $125
    Hotel pickup
    Included for all travelers
    Booked in 30 days
    8
    Verdict
    Strongly Recommended

    Why this scores 71

    The Outty Ranking is a weighted composite. Here is how this experience performed on each component.

    Traveler sentiment (30% weight)88
    Review evidence (18% weight)38
    Booking momentum (14% weight)31
    Value for money (12% weight)99
    Listing quality (10% weight)82
    Local standing (8% weight)73
    Booking flexibility (8% weight)100

    Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour: questions travelers ask

    Practical detail on this experience, plus the wider planning questions for Las Vegas.

    How much does Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour cost?

    +

    Prices start at $115 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Las Vegas usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.

    How long does Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour take?

    +

    Plan for about 6 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Las Vegas is not rushed.

    Is Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour worth it?

    +

    It holds an Outty Ranking of 71 out of 100, which we label "Strongly Recommended". That score blends traveler sentiment (5/5 across 22 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Las Vegas, and how flexible the cancellation terms are.

    Can I cancel or reschedule Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour?

    +

    Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.

    Is Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour suitable for kids and families?

    +

    Yes, all ages are welcome. Families should still weigh the 6-hour running time, and strollers are easier on the earlier, quieter departures.

    How far in advance should I book Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour?

    +

    Around 8 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Las Vegas can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.

    What should I bring or wear?

    +

    Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Las Vegas and add a light layer if any part of the 6-hour experience runs outdoors or after sunset.

    Where does Small Group Hoover Dam, Powerplant & O'Callahan Bridge Tour start and how do I get there?

    +

    The exact meeting point and directions are on your voucher once you book, and they sit in central Las Vegas within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.

    What are the best things to do in Las Vegas?

    +

    Las Vegas sells two trips at once: the Strip after dark, and the red-rock desert that starts twenty minutes past the last casino. Helicopter runs to the Grand Canyon, Hoover Dam half-days and Red Rock Canyon drives all leave early, while show tickets, speakeasy crawls and high-roller dining fill the evening. Outty Ranking weighs operator reliability heavily here, because the gap between a well-run desert tour and a coach-and-queue version is enormous. On Outty we rank every Las Vegas experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Small Group: Valley of Fire Half Day Tour from Las Vegas, Small Group Grand Canyon, Hoover Dam, 7 Magic Mountains VIP Tour, Grand Canyon West, Hoover Dam Stop, Breakfast, Lunch & Skywalk. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.

    When is the best time to visit Las Vegas?

    +

    October to April. Summer highs above 105F make midday outdoor tours punishing. Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.

    How many days do you need in Las Vegas?

    +

    Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.

    Do I book through Outty or through the operator?

    +

    Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.

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