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Conquer one of Colorado’s most continuous and demanding half-day rafting runs on the Numbers section of the Arkansas River. Fast, technical rapids, canyon walls, and expert guiding make this a top pick for experienced paddlers.
Conquer one of Colorado’s most continuous and demanding half-day rafting runs on the Numbers section of the Arkansas River. Fast, technical rapids, canyon walls, and expert guiding make this a top pick for experienced paddlers.
Verified experiences and guided adventures in the surrounding area.
Operated by River Runners · Buena Vista, Colorado
The raft buckles against the current and the river answers—rock-churned water pushing you through a narrow ribbon of Colorado sky. On the Numbers section of the Arkansas River, rapids come at you in quick succession; they’re numbered because there are too many to name. The canyon’s walls close, the air smells faintly of pine and cold water, and every stroke feels earned.
expert.
3 hours.
Expect high exertion: strong core, shoulder endurance, and the ability to follow rapid instructions under stress.
The Numbers is an advanced run with continuous class IV–V rapids; it’s intended for experienced paddlers or guided trips for strong, physically fit participants.
Wear quick-dry layers, closed-toe water shoes, a sun hat with a strap, and bring a refillable water bottle; guides supply helmets and PFDs.
Outfitters typically restrict participation for young children and those with heart, back, or pregnancy concerns; confirm age and health policies when booking.
Late spring through summer offers sustained flows and warmer weather; spring brings higher, colder water for a more intense ride.
The Arkansas River corridor supported mining and rail communities in the 19th century; contemporary rafting grew from local guides who routed commercial trips through these same canyons.
Browns Canyon and the Arkansas Headwaters Recreation Area manage flows and access to protect riparian habitat; practice leave-no-trace and follow outfitter guidance to minimize impacts.
River Runners operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
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