Boulder

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Featured Culture & history in Boulder

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Denver CityPASS City Pass
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English
Book now for today
FromTWD 2,133
Denver Museum of Nature & Science + Big Blue Bear + Botanic Gardens + Red Rocks Park※custom trip
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FromTWD 32,656
Custom trip in Denver, U.S. | State Capitol + Art Museum + Red Rocks Park※sunset viewing
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Duration: 5.6 hrs
English
Free cancellation
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FromTWD 32,656
Denver: City Highlights, Views, and Secret Spots Bus Tour
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5.0/5
· 46 reviews
Duration: 105 mins
Free cancellation
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46 consecutive positive reviews
5% off
Limited-time sale
FromTWD 1,366TWD 1,438
Denver: Daniels & Fisher Clock Tower and View Deck Admission
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5.0/5
· 10 reviews
Duration: 30 mins
Free cancellation
5% off
Limited-time sale
FromTWD 507TWD 534
Ultimate Denver Day Out: Red Rocks, City Views & Ice Cream
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5.0/5
· 1 review
Duration: 3.5 hrs
Free cancellation
5% off
Limited-time sale
FromTWD 2,421TWD 2,549
Denver: History and Architecture Walking Tours
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5.0/5
· 1 review
Duration: 1.5 hrs
Free cancellation
5% off
Limited-time sale
FromTWD 619TWD 652

Featured Day tours in Boulder

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Boulder: Best of Boulder eBike Tour – City to Foothills
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5.0/5
· 3 reviews
Duration: 2 hrs
Free cancellation
Book now for tomorrow
5% off
Limited-time sale
FromTWD 3,260TWD 3,432
Boulder: Guided Astronomy Tour
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Duration: 2 hrs
Free cancellation
5% off
Limited-time sale
FromTWD 1,615TWD 1,700
Estes Park Guided E-Bike Tour
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4.9/5
· 51 reviews
Duration: 2 hrs
English
Free cancellation
Book now for tomorrow
51 consecutive positive reviews
FromTWD 3,584
Private charter in Denver, U.S. | Rocky Mountain National Park + Red Rocks Park and Amphitheatre 1-day tour※adjustable
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FromTWD 32,656
Custom trip in Denver, U.S. | Downtown Aquarium + zoo + botanic gardens※family-friendly
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Duration: 7.3 hrs
English
Free cancellation
Book now for tomorrow
FromTWD 32,656
Rocky Mountain Escape - Scenic Views and Nature Walks
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4.8/5
· 879 reviews
Duration: 4 hrs
Free cancellation
Book now for today
33 consecutive positive reviews
FromTWD 3,291

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Boulder Today's weatherCloudy 5-12℃
Boulder weather for the next 2 days11/3: 2-15℃, 11/4: 4-14℃

What travelers say about Boulder

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137***66December 24, 2019
5.0
Saw rattlesnakes, nice trail. Steep inclines, not for everybody. Elevation isn't too drastic here, but you still may need to be prepared. There are plenty of rock climbers to watch. Really nice area. About 8 miles from Boulder. I wouldn't put this in my Top 10 hikes, but it was not hard to find and it is not a difficult area to hike. There are some trails there that are very easy. Views were pretty good towards the top. State Park fee was $9.00 per vehicle. Pretty cheap to have access to a bunch of trails.

Eldorado Canyon State Park

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coo***anDecember 24, 2019
5.0
Eben G. Fine Park is a community park. It doesn't have many special features and is a simple park. There are nearby residents and children riding bicycles. It is a place full of life.

Eben G. Fine Park

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E44***20July 2, 2021
5.0
Best humane society I’ve ever been to. Very good people. No kill and an extraordinary adoption rate.

Humane Society of Boulder Valley

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TodemmyDecember 25, 2019
5.0
I'll be coming back with my bike, but the cafe here serves fantastic coffee and cabinet food. So even if you're just visiting the lookout this is the place to stop and enjoy a brew with a view.

Valmont Bike Park

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Frequently asked questions

What are the must-do things in Boulder?

Don't miss these attractions in Boulder: Pearl Street Mall, Chautauqua Park, and Eldorado Canyon State Park. If you like Culture & history, try Denver CityPASS City Pass. If you enjoy Day tours, try Boulder: Best of Boulder eBike Tour – City to Foothills.

When choosing a tour, start with how much time you have and the kind of experience you're looking for. Trending options right now include Boulder: Best of Boulder eBike Tour – City to Foothills, Boulder: Guided Astronomy Tour, and Estes Park Guided E-Bike Tour. Check the real-time availability and itinerary before you book.

As of November 3, 2026, the reference price for day tours and activities in Boulder is around TWD 1,615 – TWD 32,656. Rates vary by duration, group size, transportation, tickets, meals, and any special admission requirements. Before you book, please confirm the billing currency and whether the price is quoted per person or per group.

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Change and cancellation policies vary by attractions and tours. Please check the product details page for more information.

Ticket prices may vary between weekdays and weekends, as well as during peak and off-peak seasons. When booking with Trip.com, you can also use Trip Coins to get extra savings. For more tips on booking discounted tickets, please visit Trip.com for the latest information.