Things to do in Boulder
United States·51 bookable experiences
Boulder sits in Colorado, United States, and there are 51 bookable experiences there — tours, entry tickets, day trips and transfers. These are the ones Viator ranks highest, with the price, the duration and the cancellation terms on every card, so you can compare before you commit.
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Most booked in Boulder
Ordered the way Viator ranks them, which reflects what travellers actually book.
Rocky Mountain National Park Guided Small Group Tour
Explore towering alpine peaks, high-elevation tundra, abundant wildlife, and Colorado’s most celebrated national park—all in one expertly guided day. Begin in Boulder, framed by the iconic Flatirons, before traveling…
Discover Rocky Mountain National Park-Small Group Tour & Picnic
Climb from the streets of the "Mile High City" to Rocky Mountain National Park, on a day trip that showcases the rugged beauty of Colorado's mountains. Weave through small, historic towns and drive over alpine passes,…
Original eBike Tour - Best of Boulder - guided Bike Tour
The original and best electric fat tire bike tour of the “Happiest City in America". A sensational guided adventure of all the gems of Boulder on the most fun and easy-to-ride thing on two wheels. Soar alongside…
Best of Boulder E-Bike Tour
There is something different about Pedego Boulder. From the minute you arrive you will know you chose the best tour company in Boulder as you are greeted with friendly faces and our exceptional hospitality. Whether you…
Rocky Mountain National Park Tour and Picnic
Experience Rocky Mountain National Park on this personalized, small-group tour. NO PARK RESERVATIONS NEEDED! We handle all park entry logistics so you can relax and enjoy the day. Departing from Boulder, travel in a…
E-Bike Guided Tour in Boulder, Colorado
Come Ride Boulder's all-in-one best of everything Boulder, CO tour. Ride to all the breathtaking sights, both scenic and historic. Enjoy Boulder's natural beauty, and see the whole town, including all the major…
Ride Boulder's Best Guided eBike E-Bike Tour! Electric eBike
Come Ride Boulder's all-in-one best of everything Boulder, CO tour. Ride to all the breathtaking sights, both scenic and historic. Enjoy Boulder's natural beauty, and see the whole town, including all the major…
Immersive Boulder Flatiron Hike
Explore the world renowned Boulder Flatirons up close and personal. Preston, a Boulder local, will help you escape into the foothills of the Rockies and help you connect to the natural landscape through storytelling and…
4 Hour Guided Fly Fishing Trip in Rocky Mountain National Park
Angles Sports strives to provide the best guided fly fishing trips in the area with a combination of expert guidance, small group size, and access to exclusive fishing locations not typically available to the public. A…
Self-Guided Audio Driving Tour in Rocky Mountain National Park
Don't miss a thing as the GuideAlong Audio Driving Tour takes you on an incredible journey through one of the most visited US national parks. Along the way you'll be guided to all of the area's famous highlights as well…
Boulder Joyride Guided eBike Tour
The Boulder Joyride eBike Tour best illustrates why Boulder is one of the best cities on earth for riding bikes. From our centrally-located starting point, we'll take to bike paths, streets, alleys and other byways on…
Boulder to Eldorado Canyon E-Bike Tour with Ice Cream Stop
Explore the stunning landscapes of Boulder and Eldorado Canyon on a thrilling half-day e-bike tour. This 29-mile journey takes you along peaceful bike paths and scenic roads, showcasing the majestic Flatirons and the…
Private Student-Led Tour of University Hill and CU Boulder Campus
See CU Boulder's campus, plus the side of CU Boulder the official campus tour skips. On this private walking tour led by a current student, you'll explore University Hill, the heart of student life, and get an honest,…
Ultimate Colorado Bundle: Self-Guided Driving & Walking Tours
Explore Colorado's diverse beauty with this self-guided tour bundle! Uncover ancient Puebloan cliff dwellings at Mesa Verde, then navigate the breathtaking vistas of the Million Dollar Highway. Adventure awaits in the…
Downtown Boulder Smartphone Guided Audio GPS Walking Tour
Founded in 1859 during the Gold Rush, Boulder grew from a humble supply town into a hub for education, culture, and innovation. Today, we’ll explore its fascinating landmarks, uncovering stories that bring its history…
US West National Parks Driving and Walking Audio Tour Bundle
Embark on an epic journey through the US West with this self-guided driving and walking audio tour bundle! Explore the wonders of Arches, Bryce Canyon, and Zion, hike the Hidden Valley Trail in Joshua Tree, and marvel…
Private Rocky Mountain Foraging Experience
Hike and forage in the beautiful and iconic Boulder mountains. We will hike through a mountain meadow, over and by a stream, and make our way up into a mixed pine and fir forest, identifying interesting plants, fungi…
Private Outdoor Rock Climbing with a Pro Climbing Guide
Experience climbing outdoors! Challenge yourself and gain self confidence inside and out. Whether your new to the sport or looking for a refresher, our professionally trained, small team of guides are here to put you at…
Best Family Small-Group E-Bike Guided Tour in Boulder, Colorado
Come Ride Boulder's "Best Family" all-in-one best of everything Boulder, CO tour. Ride to all the breathtaking sights, both scenic and historic. Enjoy Boulder's natural beauty, and see the whole town, including all the…
Guided eBike Tour of Rocky Mountain National Park
Explore the breathtaking Rocky Mountain National Park on a guided eBike tour from Grand Lake to the Alpine Visitor Center along the iconic Trail Ridge Road. This adventure allows riders of all abilities to ascend…
Boulder Yoga Hikes
If you’re visiting Boulder, this is one of those experiences you’ll be glad you didn’t miss—and very likely the one you’ll end up telling people about when you get home. It’s not just a hike, and not just a yoga…
Boulder Art and Nature E-Bike Tour
Discover Boulder like never before on this 2-2.5-hour guided e-bike adventure that blends the city’s stunning natural scenery with its vibrant art and architecture. Striking public art and colorful murals ️ Iconic Art…
Scenic Mountain Photoshoot in Boulder, Colorado
We have over 500 5-star reviews across all platforms! This experience is a great opportunity to commemorate your trip, and equally fitting for couples, families, solo travelers, special occasions and so much more!…
Rocky Mountain and Garden of Gods Self-Guided Driving Audio Tours
Discover Colorado’s most majestic landscapes within easy driving distance of Denver with this pair of self-guided driving tours of Rocky Mountain National Park and Garden of the Gods! In the Rockies, you’ll soar to…
Top sights in Boulder
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The areas Boulder breaks into, the sights ranked by how many tours are sold for them, and what is within a few hours.
The Boulder area guide, for travellersPrices and availability last checked 2026-09-13. Both are confirmed on Viator before you pay.