As August rolls in and some rafting companies start winding down, we’re just hitting our late-season stride here at Monumental Expeditions. While others are putting away paddles and pulling their boats from the water, we continue running scenic, splashy, and memorable trips on the Arkansas River all the way through September 15th.
That’s right — rafting season is still going strong, and we’re proudly offering trips through Browns Canyon, the Salida Valley, and the Upper Bighorn Sheep Canyon deep into the fall.
So why are we still on the water when others are calling it quits?
Because we’re a small, family-run company that’s nimble, local, and deeply invested in helping you experience the river at its best — no matter the time of season.
Why We Can Keep Rafting (and Why You’ll Love It)
While some larger operations rely on big group bookings and tight logistical schedules, we’re built for flexibility. Our small team lives and breathes this river — we’ve spent years guiding it, scouting it, adjusting with the flows, and finding the best sections to run in every part of the season.
Here’s how we keep trips awesome well into September:
- We adapt. With decades of guiding experience, we know how to tailor each trip to current river conditions — choosing routes that are still exciting, splashy, and scenic, even as the water level changes.
- We’re local. We’re based right here at Chalk Creek Campground, in the heart of the Arkansas River Valley. That means we’re always ready to pivot to the best nearby sections based on what the river’s doing that day.
- We’re not chasing crowds. We focus on quality, not quantity. That means smaller groups, more personalized experiences, and guides who are here because they love it — not because it’s their job for a few months.
Where We’re Still Running Trips
→ Browns Canyon National Monument
A true Colorado gem, Browns Canyon remains one of the most iconic and scenic stretches of river in the West. Even at late-season flows, it’s packed with Class II-III rapids that are fun, bouncy, and perfect for families, first-timers, or anyone who wants to soak up some wild beauty without going full send. You’ll splash through classics like Zoom Flume, Canyon Doors, and Staircase — and enjoy it all in quieter surroundings now that peak season has passed.
→ The Salida Valley Float
Looking for a mellower adventure? Our Salida Valley trip is ideal for those who want stunning views, relaxing current, and the occasional splash. It’s great for families with younger kids, or anyone who just wants to drift and laugh their way through the Arkansas Valley’s golden late-summer glow. You might even spot herons, eagles, or a mule deer or two grazing along the banks.
→ Upper Bighorn Sheep Canyon
This lesser-known gem becomes a real treat in late summer. The Upper Bighorn section is a dynamic Class II-III run that we choose for its consistent flows, wild desert-canyon beauty, and fun wave trains that still bring the excitement. If you’re looking for something just off the beaten path — without giving up the action — this is your stretch.
The Beauty of Late-Season Rafting
You might think late August or early September is too late to get on the water — but we’ll tell you a secret: this is one of the most beautiful times to be on the river.
- Cooler temps make for perfect splashy conditions without overheating
- Fewer crowds mean a more peaceful, intimate experience
- Late summer light reflects off canyon walls and cottonwood trees as the seasons start to change
- Wildlife sightings become more common as animals come closer to the water
Whether it’s your first time rafting or your fifth trip of the summer, you’ll be glad you didn’t hang up the paddle just yet.
Come Raft with Our Small Team, Not a Massive Operation
We’re not just another big-box outfitter with dozens of seasonal guides and corporate policies. Monumental Expeditions is small by design — and proud of it.
- You might get the owner as your guide
- Our shuttle driver is family
- Your dog might get their own custom float deck (seriously)
- We’ll take the time to remember your name, your group, and what kind of trip you’re really looking for
When you raft with us, you’re not a number. You’re a fellow adventurer.
Don’t Miss the Last Great Splash of the Season
If you’ve been thinking about getting one more summer adventure in — this is it.
Whether it’s a thrilling paddle through Browns, a mellow float with the kids in Salida, or an off-the-beaten-path run in Bighorn Canyon, we’re still out there. And we’ll keep going until September 15, rain or shine, splash or sun.
Book your trip now and let us show you why late-season rafting is one of Colorado’s best-kept secrets.
Ready to raft?
Hit the “Book Now” button or give us a call. We’ll be on the river — and we’d love for you to join us.