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  • Small, personalized trips on the nations most popular river.
  • Fun, knowledgeable, and experienced guides.

  • FREE wetsuit, splash jacket, and bootie use.

  • Lifejacket and helmet included.
  • You can even bring your dog!*  😉 
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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.

Ready for an unforgettable rafting adventure in one of Colorado’s most scenic locations? Book your trip with Monumental Expeditions today and experience the beauty, convenience, and excitement of rafting right from Chalk Creek Campground!

BOOK RAFTING
BOOK CAMPING
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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 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!

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Browns Canyon

Starting at
$99
/person

 Ages 7 +
 Beginner / Intermediate - class III 
 Half & Full Day

The crown jewel of the Arkansas River in Colorado and a favorite among adventure seekers. This unforgettable journey combines breathtaking forested canyons with thrilling whitewater rapids, creating memories that will last a lifetime! The best and most popular trip in Colorado.

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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. With small, splashy rapids and plenty of calm stretches. Float through the open Arkansas River Valley, framed by the stunning Rocky Mountains.
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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. This is a happy medium between the Salida Valley and Browns Canyon trip. This trip combines the excitement of beginner whitewater with breathtaking scenery and geology, and chances to spot local wildlife. 

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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 nestled in Colorado's majestic Rocky Mountains. This challenging stretch offers a high-energy rafting experience through a rugged, forested canyon.

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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 are super proud of all of our amazing reviews across may platforms. Here is just a small sample of the praise people have for our little rafting company.