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  • The Ultimate List: 15 Best Things to Do in San Diego (Updated 2026)
  • Best 333

    things to do in Boulder, CO

    Showing 73-96 of 333 results
    Full-Day Guided Fly Fishing Trip in Colorado & Wyoming

    Full-Day Guided Fly Fishing Trip in Colorado & Wyoming

    Explore mountain waters on a fly fishing trip tailored to your needs

    4.9 • 361 reviews
    $398& up
    Archaeologist-Led Hike at Red Rocks Park & Amphitheatre

    Archaeologist-Led Hike at Red Rocks Park & Amphitheatre

    Discover the human stories behind Red Rocks' sandstone landscape

    5.0 • 26 reviews
    $87/ person
    Thursday Axe Throwing in Edgewater

    Thursday Axe Throwing in Edgewater

    Throw axes Thursday and get $1 off Barquentine beverages

    5.0 • 700 reviews
    $30/ person
    Ride a Sea-Doo Jet Ski Rental in Loveland

    Ride a Sea-Doo Jet Ski Rental in Loveland

    Rent a Sea-Doo GTX 170 with Bluetooth audio and stable handling

    4.9 • 170 reviews
    $393/ jet-ski
    Mosaic Glass Pendant Class for Kids & Adults in Denver

    Mosaic Glass Pendant Class for Kids & Adults in Denver

    Turn art glass into a pendant with a design of your own

    4.9 • 96 reviews
    $64/ person
    Black American West Museum Admission in Denver

    Black American West Museum Admission in Denver

    Discover the often-untold stories of Black pioneers in the American West

    4.8 • 214 reviews
    $18/ person
    Reduced-Mobility Birding Tour in Colorado

    Reduced-Mobility Birding Tour in Colorado

    Bird with comfort seating on easy-access Colorado nature stops

    5.0 • 217 reviews
    $318& up
    KTM 250 XCF Bike Rental in Denver

    KTM 250 XCF Bike Rental in Denver

    Lightweight four-stroke trail bike for new and advanced riders

    4.9 • 127 reviews
    $287/ bike
    Guided Dinosaur Ridge & Museum Tour in Morrison

    Guided Dinosaur Ridge & Museum Tour in Morrison

    Tour Morrison Museum and Dinosaur Ridge with a Dino Pass

    4.8 • 850 reviews
    $36/ person
    Rocky Mountain National Park Stargazing Hike

    Rocky Mountain National Park Stargazing Hike

    Hike by headlamp, then settle in for stargazing with warm drinks

    5.0 • 123 reviews
    $109/ person
    Guided Night Sky Astronomy Tour in Boulder

    Guided Night Sky Astronomy Tour in Boulder

    Explore Boulder’s night sky with a professional astronomer and telescopes

    5.0 • 24 reviews
    $55/ person
    Glass Studio Bench Rental in Englewood

    Glass Studio Bench Rental in Englewood

    Focused studio time for your glass projects

    5.0 • 717 reviews
    $32/ bench
    Beginner Fly Fishing Casting Lesson in Longmont, CO

    Beginner Fly Fishing Casting Lesson in Longmont, CO

    Build casting confidence for Colorado's creeks, streams, rivers, and lakes

    4.9 • 361 reviews
    $53/ person
    Archaeologist-Led RiNo Art District Walking Tour in Denver

    Archaeologist-Led RiNo Art District Walking Tour in Denver

    See RiNo’s creative culture through an archaeologist’s lens

    5.0 • 26 reviews
    $42/ person
    Private Custom Brewery Tour in Boulder

    Private Custom Brewery Tour in Boulder

    Choose your breweries and leave the driving to your guide

    5.0 • 20 reviews
    $530
    EX Deluxe Jet Ski Rental at Carter Lake

    EX Deluxe Jet Ski Rental at Carter Lake

    Yamaha power and flexible rental options for your Carter Lake day

    4.9 • 170 reviews
    $393/ jetski
    Tandem Paragliding Flight in Boulder with Photos & Video

    Tandem Paragliding Flight in Boulder with Photos & Video

    Take to the sky with photos and video of your flight included

    4.8 • 69 reviews
    $371/ flight
    90-Minute Horseback Ride in Central City

    90-Minute Horseback Ride in Central City

    Ride in memory of A&A Historical Trails founder Ginger

    4.7 • 326 reviews
    $128/ person
    Custom Full-Day Birding & Wildlife Tour from Denver

    Custom Full-Day Birding & Wildlife Tour from Denver

    Build a full-day Colorado wildlife tour with an expert guide

    5.0 • 217 reviews
    $557
    Denver KTM 450 XC-F Motorcycle Rental

    Denver KTM 450 XC-F Motorcycle Rental

    Ride Colorado's legal trails on a KTM 450 XC-F

    4.9 • 127 reviews
    $287/ bike
    Loveland 1.5-Hour Guided Horseback Trail Ride

    Loveland 1.5-Hour Guided Horseback Trail Ride

    Ride gentle mountain terrain with a wrangler and take in ridge-top views

    4.7 • 249 reviews
    $106/ person
    Beginner Fly Fishing Lesson in Rocky Mountain National Park

    Beginner Fly Fishing Lesson in Rocky Mountain National Park

    Build fly-fishing skills with hands-on beginner instruction

    5.0 • 123 reviews
    $112/ person
    DIY Custom Candle Making Workshop in Denver

    DIY Custom Candle Making Workshop in Denver

    Make a candle your own with a choice of vessels and fragrances

    4.7 • 129 reviews
    $45/ person
    4-Hour Glassblowing Open Studio in Englewood

    4-Hour Glassblowing Open Studio in Englewood

    Practice torchwork independently in a supervised open studio

    5.0 • 717 reviews
    $53/ person
    1…345…14
    Guided Hikes29Art Tours25Fishing Charters20Boat Rentals17Axe Throwing15
    More
    • Aquarium Visits13
    • Paddleboarding12
    • Bike Rentals10
    • Bike Tours10
    • Off-Road Adventures10
    • Jet Skiing9
    • Ghost and Haunted8
    • Horseback Riding8
    • Historical Tours7
    • Museum Tours7
    • National Parks7
    • Bird Watching Tours6
    • Equipment Rental6
    • Karaoke6
    • Motorcycle Rentals6
    • Seasonal and Holiday6
    • Food Tours5
    • Kids Activities5
    • Cooking Classes4
    • Neighborhood Tours4