The Numbers is a very rocky, steep and technical section of the Arkansas. The Boulder Strewn waters require precise paddling through extreme drops and hydraulics. This is the trip for the adventurer who has traveled through Browns Canyon and is ready for some excitement. Physically fit people who have experienced class IV and V waters and are willing to work hard are requirements. It's a very rewarding trip, with lots of "high fives" after your team successfully steers through the obstacles.