200+ 5-star reviews
🛶 Small groups (personalized trips)
🏞️ Based at Chalk Creek Campground
🧭 25+ years rafting industry experience
Plan a Trip Tap to find the perfect rafting trip in about 30 seconds

Find Your Perfect Rafting Trip

Answer 4 quick questions. We’ll recommend the best stretch of river for your group.

1) Is everyone in your group over the age of 16?
2) What kind of day do you want?
3) Who’s coming?
4) What’s your comfort level with rapids?
Not sure? Read our FAQ

Book Early -
Spots Fill Fast!

We’re a small, family-run rafting company, and that means personal attention, expert guides, and an unforgettable experience on the river. But it also means spots on our trips go quickly, especially with the convenience of the campground right at our doorstep. The same goes for camping - reservations at this prime spot fill up fast, so don’t wait to plan your trip.

raft, camp, explore

RAFT, CAMP, EXPLORE

Being based at Chalk Creek Campground means we’re in the heart of the valley—just a short drive from Buena Vista, Salida, and the towering Collegiate Peaks. Whether you're staying in a cozy cabin, bringing your RV, or pitching a tent, you’re already at the perfect starting point for your next adventure. Wake up in the crisp mountain air, grab a coffee, and be just steps away from your rafting trip with Monumental Expeditions. No long drives, no extra logistics. Just pure, stress-free adventure.

Browse RAFT TRIPS

We run trips throughout the upper Arkansas River headwaters in Colorado, offering something for every adventure level. Whether you're looking for a relaxing float, family-friendly whitewater, or a heart-pounding extreme adventure, we have the perfect trip for you!

Browns Canyon whitewater rafting trip on the Arkansas River in Colorado

Browns Canyon

Starting at
$99
/person

 Ages 7 +

Beginner / Intermediate - class II-III

Half & Full Day

The crown jewel of the Arkansas River in Colorado and a favorite among adventure seekers. This is Classic Colorado Rafting!

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Family-friendly rafting trip through the Salida Valley on the Arkansas River

Salida Valley

Starting at
$89
/person

 Ages 5 +

 Beginner - class I-II

 Half & Full Day

The Salida Valley trip offers a fun and accessible way for nearly everyone to enjoy the beauty of the Arkansas River.

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Bear Creek rafting trip near Salida Colorado with splashy class II-III rapids

Bear Creek

Starting at
$99
/person

 Ages 6 +

Beginner - class II-III

 Half & Full Day

Perfect for first-timers and those seeking a beginner-level adventure. 

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The Numbers advanced class IV rafting trip on the Arkansas River in Colorado

The Numbers

Starting at
$150
/person

 Ages 16 +

Advanced - class IV 

Half & Full Day

Prepare for an adrenaline-pumping ride on a continuous Class IV section of whitewater.

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Multi-day overnight rafting trip with camping in Colorado

Multiday & Overnight

Starting at
$550
/person

Spend more time on the river!
We provide all the camping gear, and provide and prepare all your meals. 
2-5 day expeditions available on the amazing Arkansas River. Start planning your custom overnight or multi-day river adventure and create memories that last well beyond the takeout.

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A Central Hub to ADVENTURE

If you’re looking for the perfect place to launch your Upper Arkansas River Valley adventure, look no further than Monumental Expeditions, conveniently located at Chalk Creek Campground. Our prime location offers unbeatable access to some of Colorado’s best whitewater while surrounding you with stunning mountain scenery and endless outdoor opportunities.

Convenience Meets Natural Beauty

Rafting with us isn’t just about the river—it’s about the full experience. Imagine wrapping up an exhilarating day on the Arkansas River and walking straight back to your campsite to relax by the fire, swap stories, and enjoy the sound of Chalk Creek rushing by. No need to drive back to town or scramble for a last-minute place to stay. Plus, with hiking, hot springs, and fishing all nearby, you can turn your rafting trip into a full-fledged Colorado getaway.

What people are saying

We’re proud to be one of the highest-rated rafting companies in the Arkansas River Valley — and we work hard to earn it every single trip.