Run ten named rapids in a compact, technical stretch of the Arkansas River near Buena Vista. This 2–3 hour Class III–IV excursion delivers punchy drops, swift currents and alpine views—ideal for fit paddlers seeking concentrated whitewater action.
More ways to explore the area's outdoor wonders
You push off from a gravel bar with cold mountain air and the Collegiate Peaks stacked behind you—granite faces and snowfield streaks that make the river corridor feel narrow and urgent. The Arkansas here quickens, narrowing into the Numbers: a string of class III–IV rapids that demand focus, timing and teamwork. Pine and scrub choke the banks; rock gardens and ledges appear without warning as the river dares you downstream.
Difficulty
challenging
Duration
2–3 hours
Fitness Level
Requires good cardiovascular fitness and core strength; comfortable swimming ability recommended.
Wildlife
History
The Arkansas River corridor was shaped by mining and early irrigation settlements; Buena Vista evolved into an outdoor gateway as rafting and recreation expanded in the late 20th century.
Conservation
River access is managed to limit erosion and preserve riparian vegetation—pack out trash, avoid disturbing shoreline plants, and follow guide briefings to reduce impact.
Reserve your spot on the Half-Day Arkansas River - The Numbers Rafting Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Arrive hydrated and fed
High altitude plus adrenaline burns calories fast—eat a light meal and drink water before check-in to avoid fatigue on the river.
Wear a wetsuit or drytop in spring
Snowmelt keeps river temps cold through early summer; a wetsuit or insulating layers prevent rapid loss of body heat.
Listen to guide commands
Rafting the Numbers is team-driven—holding line and timing strokes keeps the raft stable through ledges and holes.
Secure electronics in dry bags
Expect splash and occasional swims—keep phones and cameras sealed and leave valuables at base.
Level 5 neoprene wetsuit or drytop
Insulates against snowmelt-cold river water during high-runoff months.
spring
Nonslip river shoes
Protects feet on rocky put-ins and provides secure footing when entering/exiting the raft.
Personal flotation device (PFD) - provided but bring a comfortable liner
A properly fitted PFD is required; a thin liner helps prevent chafing.
Waterproof camera or phone dry bag
Keeps electronics safe while letting you capture rapids and peak views.