
Boulder
Boulder is just a short drive from some of Colorado’s top whitewater rafting destinations, making it a prime spot for adventure seekers. The Clear Creek rafting area, located less than an hour away in Idaho Springs, offers exciting Class III to Class V rapids, perfect for both intermediate and advanced paddlers. For a more relaxed and scenic experience, head northwest through the breathtaking landscapes of Rocky Mountain National Park to reach the Upper Colorado River. Whether you’re chasing adrenaline or soaking in nature, Boulder provides convenient access to some of Colorado’s most exhilarating river adventures.

An Adventure for the Thrill Seekers
Boulder has long been considered a “must-see” destination for Colorado travelers, especially for those seeking world-class outdoor adventure and natural beauty. Located at the base of the Rocky Mountain foothills near the iconic Flatirons, Boulder offers countless opportunities to hike, bike, climb, and explore the stunning outdoors of northern Colorado. With easy access to scenic spots like Chautauqua Park, Eldorado Canyon, and Boulder Creek, it’s a perfect base for experiencing Colorado’s adventurous spirit.
Explore Boulder
Top Trips
Boulder offers exciting nearby opportunities for whitewater rafting, ziplining, Via Ferrata, rock climbing, horseback riding adventures and more!
Boulder Whitewater Rafting
Clear Creek Rafting
Clear Creek, an hour away from Boulder at our Idaho Springs outpost, is also renowned as one of the best rafting destinations near the Denver area. It offers exhilarating experiences for all ages and skill levels. As you navigate the river, you’ll be treated to captivating Colorado views with the chance to encounter wildlife along the historic mining valley of Idaho Springs.
For a mild introduction to whitewater rafting suitable for all ages, our 1/3 day Clear Creek Gold Rush trip trip is the perfect choice. Rush through eleven exciting class III rapids and enjoy the adventure at a comfortable pace. If you’re ready for a slightly more challenging experience, opt for our Upper Clear Creek or Lower Canyon 1/2 day trips. Conquer class IV rapids with steeper technical sections that will get your heart racing and adrenaline pumping. Embark on a full-day advanced adventure spanning 20 miles, packed with non-stop excitement and intense rapids.

Upper Colorado Rafting
Trade intense whitewater for serenity and scenery on the Upper Colorado River, an easy and unforgettable adventure located near Kremmling, about 2.5 hours from Boulder. The journey there is part of the experience—drive through Rocky Mountain National Park, winding past towering peaks, alpine lakes, and sweeping meadows as you make your way to one of Colorado’s most scenic river destinations.
Once you arrive, choose from Half-Day or Full-Day Scenic Float trips—perfect for families, first-timers, or anyone looking to relax on the water. Glide through calm currents surrounded by stunning red rock canyons, open valleys, and abundant wildlife.
Want a more active adventure? Try paddling your own Inflatable Kayak or Stand-Up Paddleboard for a fun and refreshing way to experience the river. Or slow things down even more with a Fly Fishing trip on the Upper Colorado’s crystal-clear waters, home to healthy populations of trout.
With warm water, wide open views, and options for every type of adventurer, the Upper Colorado River offers a peaceful escape and a full Colorado experience—from scenic drives to riverside memories that last a lifetime.

Boulder Aerial Adventures
Choose from two incredible zipline courses near Boulder! Our Mountaintop Zipline is just 2.5 hours away in Buena Vista, Colorado, where you’ll soar high into the sky, surrounded by the breathtaking beauty of the Collegiate Peaks and the stunning Arkansas River Valley. Our second zipline course is our Cliffside Zipline, 1 hour away in Idaho Springs that offers a unique adventure into the mountainside above the Chicago Creek and the historic town.
Experience the thrill of our Granite Via Ferrata in Buena Vista and Mount Blue Sky Via Ferrata in Idaho Springs locations. Prepare to embark on an exhilarating adventure as you climb high into the cliffsides, navigating through iron rungs, bars, and bridges, and even swing on several lines of our zipline courses!


Discover Boulder

The Closest River to Boulder
Clear Creek is 1 hour from Boulder and flows through some of the most natural areas in Colorado. The Upper Colorado River is about 2.5 hours away and offer the most scenic routes.

The Closest Outpost to Boulder
Our Idaho Springs outpost is 1 hour away, and our Kremmling outpost is about 2.5 hours away from Boulder.

Family-Friendly
Our Gold Rush Clear Creek trip at our Idaho Springs outpost offers a perfect introduction to Whitewater Rafting, as you navigate milder class III rapids through the scenic Clear Creek.

Thrill-Seekers
The Upper Clear Creek rafting trip in Idaho Springs is perfect for intermediate rafters and thrill seekers. This action-packed section features fast-moving Class IV rapids, steep drops, and tight technical turns. It’s the ideal choice for adventurous groups ready to take their rafting experience to the next level!

The Flatirons
Boulder’s most iconic natural landmark, the Flatirons are striking sandstone formations that rise dramatically above the city. They’re a favorite for hiking, rock climbing, and capturing stunning scenic views.

Chautauqua Park
Located at the base of the Flatirons, Chautauqua Park offers easy access to some of Boulder’s best hiking trails and panoramic vistas. It’s also home to historic cottages, a community auditorium, and seasonal cultural events.

Pearl Street Mall
A lively, pedestrian-only district in downtown Boulder, Pearl Street Mall is lined with shops, restaurants, galleries, and street performers. It’s a perfect spot for strolling, dining, and soaking up the local culture.

Eldorado Canyon State Park
Just south of Boulder, this park is world-renowned for rock climbing and also features scenic hiking trails along dramatic canyon walls. It’s a peaceful escape into nature with views of the South Boulder Creek and golden sandstone cliffs.

Boulder's Location
Boulder is located in north-central Colorado, at the base of the Rocky Mountain foothills about 30 miles northwest of Denver. Nestled against the iconic Flatirons, the city offers easy access to both outdoor recreation in the mountains and urban amenities nearby. Its location makes it a prime gateway for exploring northern Colorado’s natural beauty.

Boulder's History
Boulder’s history dates back to the mid-1800s, when it was founded during the Colorado Gold Rush as a supply town for nearby mining camps. It soon became a hub for education and innovation with the establishment of the University of Colorado in 1876. Over time, Boulder evolved into a progressive, environmentally focused city known for its blend of outdoor adventure, academic excellence, and cultural richness.

Best Time to Raft
The best time to raft both the Clear Creek and Upper Colorado River is May through September. Thrill seekers will appreciate the higher water and more intense rafting in late May and June, while everyone will enjoy cooling down on the river in July and August.

Boulder Adventures
The Boulder area offers access to whitewater rafting, ziplining, Via Ferrata, rock-climbing, horseback riding, and more, with activities for ages 7 and older. Choose from half-day, full day, or multi day activities!
Explore Boulder Adventures

Browns Canyon 1/2 Day
Get ready to experience the best of Colorado on our Brown’s Canyon half-day trip. This family-friendly adventure rushes you down the Arkansas River and [...]

Browns Canyon Sizzler
The full-day Browns Canyon Sizzler represents the ultimate Colorado rafting experience! This trip offers a full day of classic white water rafting through class [...]

Gold Rush Clear Creek Rafting Adventure
Splash down the Clear Creek mining valley on our 1/3 day Gold Rush trip. Just a short half-hour trip from Denver, this family-friendly rafting [...]

Colorado Scenic Float-Half Day
This wonderful Colorado River float trip is a gently flowing section that is inviting to all ages. You’ll encounter a few small rapids as [...]

Numbers 1/2 Day
Looking for that quintessential Colorado whitewater rafting experience? Head to the Numbers section of the Arkansas River! If you are an experienced rafter looking [...]

Cliffside Zipline Half Day
Fly through the trees on our exciting 6-line zipline course in Idaho Springs. This trip includes features such as a dual race line, hanging [...]

Colorado Via Ferrata – Granite
Adventure awaits as you conquer the cliffside on this unique mountaintop climbing experience. Feel a rush of adrenaline as you traverse across and above [...]

Upper Clear Creek Half Day Rafting Trip
Our Upper Clear Creek adventure will keep your paddle moving and your heart pounding as you crash through class IV rapids. Enjoy the beautiful [...]
Other Rafting And Outdoor Adventures Near Boulder

Idaho Springs
Our Idaho Springs outpost offers beginner to advanced levels of whitewater rafting on Clear Creek, soar among the treetops on our Cliffside Zipline, or try our Via Ferrata course for an introduction to mountaineering. Enjoy an afternoon in Colorado’s Rocky Mountains and catch some incredible sights of historic Idaho Springs- the location of Colorado’s first gold discovery!
Our Idaho Springs outpost is conveniently located near Denver, just 30 minutes west of downtown on I-70, and less than an hour from Summit County.

Clear Creek
Clear Creek runs from Loveland Pass through Golden and The Front Range and eventually joins up with the South Platte River. This river flows through Clear Creek Canyon in the Rocky Mountains directly west of Denver, following alongside I-70 and through the town of Idaho Springs, where the first gold was found in the late 1850s during the Colorado gold rush.
Located in an old mining valley in the Colorado Rockies, its proximity to Denver, Boulder, Summit County and Winter Park makes Clear Creek rafting an easily accessible favorite for locals and travelers alike. Conveniently located only 30 minutes from Denver, our Idaho Springs outpost allows easy access to one of Colorado’s most well known rivers. Clear Creek runs through Idaho Spring’s historic mining valley, providing opportunities for scenic views and potential wildlife spotting, while flowing through fun and floaty rapids.

Colorado River
The Colorado River, a spectacular force of nature, is the lifeblood of the American West. Meandering over 1,450 miles from the snowy peaks of the Rocky Mountains all the way to the deserts of Mexico, this river passes through five U.S. states and eleven National Parks. As one of the longest rivers in the United States, it has etched some of the world’s most awe-inspiring features into the earth, including the Grand Canyon.
Along its course, the Colorado River represents a vital water source for millions of people and agricultural areas, as well as supports a rich diversity of wildlife. It also serves as a recreational paradise, offering world-class opportunities for white-water Rafting, Fishing, and Camping, and its rich and enduring history makes the Colorado River a crucial aspect of the landscape of the western United States.
The Colorado River offers rafting numerous opportunities for Whitewater Rafting amidst the backdrop of stunning scenery. From fun float trips appropriate for ages 2 and up to challenging, pulse-pounding rides, the Colorado River has river trips for everyone. Join AVA in Kremmling, Colorado for a trip down this mighty river, where the area’s mellower waters make it the perfect destination for river adventure, with activities including Rafting, Fly-Fishing, Kayaking, and Stand-Up Paddleboarding.

Arkansas River
The Arkansas River in Colorado begins in the Sawatch Range near Leadville and Buena Vista and joins the Mississippi River in Arkansas. The Arkansas River is one of Colorado’s most notable natural landmarks and waterways and offers some of North America’s most popular whitewater stretches. Here you’ll find everything from the wild and challenging section of Pine Creek near Granite, CO, to the thrilling and scenic family-friendly rapids of Browns Canyon near Buena Vista, to the towering rock walls of the Royal Gorge near Cañon City. With every class of whitewater available and great Colorado rafting for families with young kids, groups and adrenaline junkies, Arkansas River rafting truly has something for everyone.

Kremmling
Kremmling is the perfect destination for families looking for a mountain getaway. Our Upper Colorado River Scenic Float rafting trip welcomes adventurers as young as 2 years old on a half day or full day adventure on mellow Class II rapids. While in Kremmling, be sure to also try one of our Fly Fishing excursions or kick up dirt on our UTV Rentals!
You will find our Kremmling outpost just 45 minutes from Summit County and just under two hours from Denver.

Buena Vista
If using Google Maps, ‘US 24 North’ is incorrect and will take you 10 miles south of us. Type in the address exactly as listed above to ensure correct directions.
On the hunt for a true mountain excursion? Head to Buena Vista, Colorado to raft through a national monument on our Brown’s Canyon 1/2 day trip, fly above the Arkansas River Valley on our Mountaintop Zipline, or Rock Climb the majestic Granite Gorge Cliffs, where views of the majestic Collegiate Peaks will take your breath away.
AVA’s Buena Vista Outpost is located just over an hour from Summit County and under two and a half hours from Denver, Colorado.

Idaho Springs
Idaho Springs, located just 30 minutes from Denver and within an hour of Boulder, Summit County and Winter Park, is home to one of our AVA outposts! Colorado’s first gold was discovered here, and it is said that the Gold Rush originated in Idaho Springs. Visitors can explore the areas rich history through tours of the Argo Mill and Tunnel and Phoenix Gold Mine and relax in the notable Indian Hot Springs. The town also boasts several unique and local restaurants you will want to check out after your outdoor adventure!
The Idaho Springs area offers the best Whitewater Rafting near Denver on the Clear Creek, and our outpost includes exciting cliffside Zipline and Via Ferrata tours. The area’s location near Mount Evans, one of Colorado’s numerous 14ers, offers opportunities for hiking and wildlife spotting, and visitors can drive to the summit via the Mount Evans Scenic Byway.

Idaho Springs
Idaho Springs, CO
Idaho Springs, located just 30 minutes from Denver and within an hour of Boulder, Summit County and Winter Park, is home to one of our AVA outposts! Colorado’s first gold was discovered here, and it is said that the Gold Rush originated in Idaho Springs. Visitors can explore the areas rich history through tours of the Argo Mill and Tunnel and Phoenix Gold Mine and relax in the notable Indian Hot Springs. The town also boasts several unique and local restaurants you will want to check out after your outdoor adventure!
The Idaho Springs area offers the best Whitewater Rafting near Denver on the Clear Creek, and our outpost includes exciting cliffside Zipline and Via Ferrata tours. The area’s location near Mount Evans, one of Colorado’s numerous 14ers, offers opportunities for hiking and wildlife spotting, and visitors can drive to the summit via the Mount Evans Scenic Byway.

Idaho Springs
431 Chicago Creek Road
Idaho Springs, CO 80452
Our Idaho Springs outpost offers beginner to advanced levels of whitewater rafting on Clear Creek, soar among the treetops on our Cliffside Zipline, or try our Via Ferrata course for an introduction to mountaineering. Enjoy an afternoon in Colorado’s Rocky Mountains and catch some incredible sights of historic Idaho Springs- the location of Colorado’s first gold discovery!
Our Idaho Springs outpost is conveniently located near Denver, just 30 minutes west of downtown on I-70, and less than an hour from Summit County.

Kremmling
1606 Park Avenue
Kremmling, CO 80459
Kremmling is the perfect destination for families looking for a mountain getaway. Our Upper Colorado River Scenic Float rafting trip welcomes adventurers as young as 2 years old on a half day or full day adventure on mellow Class II rapids. While in Kremmling, be sure to also try one of our Fly Fishing excursions or kick up dirt on our UTV Rentals!
You will find our Kremmling outpost just 45 minutes from Summit County and just under two hours from Denver.

Buena Vista
40671 US-24
Buena Vista, CO 81211
If using Google Maps, ‘US 24 North’ is incorrect and will take you 10 miles south of us. Type in the address exactly as listed above to ensure correct directions.
On the hunt for a true mountain excursion? Head to Buena Vista, Colorado to raft through a national monument on our Brown’s Canyon 1/2 day trip, fly above the Arkansas River Valley on our Mountaintop Zipline, or Rock Climb the majestic Granite Gorge Cliffs, where views of the majestic Collegiate Peaks will take your breath away.
AVA’s Buena Vista Outpost is located just over an hour from Summit County and under two and a half hours from Denver, Colorado.

Clear Creek
Clear Creek
Clear Creek runs from Loveland Pass through Golden and The Front Range and eventually joins up with the South Platte River. This river flows through Clear Creek Canyon in the Rocky Mountains directly west of Denver, following alongside I-70 and through the town of Idaho Springs, where the first gold was found in the late 1850s during the Colorado gold rush.
Located in an old mining valley in the Colorado Rockies, its proximity to Denver, Boulder, Summit County and Winter Park makes Clear Creek rafting an easily accessible favorite for locals and travelers alike. Conveniently located only 30 minutes from Denver, our Idaho Springs outpost allows easy access to one of Colorado’s most well known rivers. Clear Creek runs through Idaho Spring’s historic mining valley, providing opportunities for scenic views and potential wildlife spotting, while flowing through fun and floaty rapids.

Colorado River
Kremmling, Colorado
The Colorado River, a spectacular force of nature, is the lifeblood of the American West. Meandering over 1,450 miles from the snowy peaks of the Rocky Mountains all the way to the deserts of Mexico, this river passes through five U.S. states and eleven National Parks. As one of the longest rivers in the United States, it has etched some of the world’s most awe-inspiring features into the earth, including the Grand Canyon.
Along its course, the Colorado River represents a vital water source for millions of people and agricultural areas, as well as supports a rich diversity of wildlife. It also serves as a recreational paradise, offering world-class opportunities for white-water Rafting, Fishing, and Camping, and its rich and enduring history makes the Colorado River a crucial aspect of the landscape of the western United States.
The Colorado River offers rafting numerous opportunities for Whitewater Rafting amidst the backdrop of stunning scenery. From fun float trips appropriate for ages 2 and up to challenging, pulse-pounding rides, the Colorado River has river trips for everyone. Join AVA in Kremmling, Colorado for a trip down this mighty river, where the area’s mellower waters make it the perfect destination for river adventure, with activities including Rafting, Fly-Fishing, Kayaking, and Stand-Up Paddleboarding.

Arkansas River
40671 US-24
Buena Vista, CO 81211
The Arkansas River in Colorado begins in the Sawatch Range near Leadville and Buena Vista and joins the Mississippi River in Arkansas. The Arkansas River is one of Colorado’s most notable natural landmarks and waterways and offers some of North America’s most popular whitewater stretches. Here you’ll find everything from the wild and challenging section of Pine Creek near Granite, CO, to the thrilling and scenic family-friendly rapids of Browns Canyon near Buena Vista, to the towering rock walls of the Royal Gorge near Cañon City. With every class of whitewater available and great Colorado rafting for families with young kids, groups and adrenaline junkies, Arkansas River rafting truly has something for everyone.

FAQs
AVA has locations across the state of Colorado. Our primary outposts are located in Idaho Springs, Kremmling, Buena Vista and Breckenridge.
For more information on getting to your adventure with us, please visit our Getting Here page.
Transportation to the outpost is not included. You can enhance your experience and add our shuttle service as an additional offer during the booking process. If you add this transportation to your adventure, a private car will pick you up at your address and transport your group to our outpost, and our driver will be ready to take you home at the conclusion of your tour!
If you’re planning a vacation to Colorado you likely have a limited time window from which to choose – and that’s just fine. Depending on the type of challenge, length of time you want to be on the river, and the location you’ll be visiting, we have multiple options for beginner to advanced paddlers.
The Best Time To Enjoy River Trips at AVA:
Arkansas River: May – Sept
Clear Creek: May – Sept
Colorado River: May – Sept
Blue River: June
Dolores River: May – June
Salt River: Late February – mid-May
You can zipline with AVA from March through November each year! The Cliffside Zipline in Idaho Springs near Denver will open the first weekend of March and stay open on a limited schedule through the end of November. The Mountaintop Zipline in Buena Vista will open between the end of April and early May and stay open through Labor Day. During the summer there are zipline trips hourly starting at 8:00am at both locations.