Ready for a thrilling day on Colorado’s wild Arkansas River? The Numbers offers expert-level rapids, stunning scenery, and a riverside lunch that make this rafting trip a must for adventure seekers.
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Difficulty
expert
Duration
6–7 hours
Fitness Level
Participants should be in good physical shape, comfortable with sustained paddling and rapid maneuvers.
Wildlife
History
The Numbers rapid is part of the Arkansas River, which was historically used for mining transportation and now a premier whitewater destination.
Conservation
Monumental Expeditions actively practices Leave No Trace principles to protect the fragile river ecosystem and surrounding forests.
Monumental Expeditions
Ready for a thrilling day on Colorado’s wild Arkansas River? The Numbers offers expert-level rapids, stunning scenery, and a riverside lunch that make this rafting trip a must for adventure seekers.
Monumental Expeditions is a whitewater rafting outfitter based in Nathrop, Colorado, operating guided trips on the Arkansas River and nearby canyons. The company offers a range of full‑ and half‑day adventures designed for families, beginners, and experienced paddlers. Popular trips include Salida Valley family floats, Browns Canyon National Monument runs, high‑mountain whitewater on The Numbers, and advanced Class IV passages through the Royal Gorge.
Guides deliver hands‑on instruction, river safety, and locally prepared riverside lunches on full‑day excursions. Trip choices reflect varied difficulty levels — from calm, scenic floats through the Salida Valley to technical, adrenaline‑forward rapids in The Numbers and the Royal Gorge.
Monumental Expeditions operates from Nathrop, providing easy access to Salida and the central Colorado stretch of the Arkansas River. Equipment and trip logistics are arranged for half‑day and full‑day departures, with full‑day trips typically including a riverside meal. The company’s trip portfolio lists family friendly half‑day and full‑day Salida Valley options, Browns Canyon full‑day excursions, The Numbers half‑ and full‑day runs, and Royal Gorge half‑ and full‑day adventures.
Visitors can expect on‑river navigation, guided paddling, and scenery featuring forested canyons and 1,000‑foot gorge walls where described. Pricing, availability, and reservation policies are provided directly by Monumental Expeditions; prospective guests should consult the outfitter for current details and to book specific dates.
Scenery on trips highlights Rocky Mountain views, potential wildlife sightings, and dramatic canyon walls rising above the river. Trip availability and seasonal schedules vary; interested visitors should contact Monumental Expeditions directly to confirm dates, capacity, and specific safety guidelines.
Tours Offered
7 distinct trips
Full- and half-day river options
Base Location
Nathrop, Colorado
Gateway to the Arkansas River
Family Friendly
Beginner & Kids
Salida Valley float options available
Whitewater Levels
Class I–IV
From calm floats to advanced rapids
Secure a spot on a full- or half-day Arkansas River rafting trip from Nathrop, Colorado — check availability and book directly with the outfitter.
Wear quick-drying clothing
Choose lightweight, moisture-wicking layers to stay comfortable on and off the water.
Bring waterproof camera gear
Protect your devices with waterproof cases or dry bags to capture every moment safely.
Listen carefully to your guide
Following instructions is crucial for navigating challenging rapids safely.
Be prepared for cool water temperatures
Even in summer, river water can be cold, so consider wearing a wetsuit or splash jacket.
Wetsuit or splash jacket
Keeps you warm in colder river temperatures during early season trips.
spring
Water shoes
Provides grip and protects feet on slippery rocks and riverbeds.
summer
Sun hat and sunscreen
Protects against sunburn during long hours on open water.
summer
Dry bag
Keeps personal items safe and dry throughout the rafting experience.