Captain Ron's Original Dells Jet Boat tour provides a 1.5 hour narrated tour of the Upper Dells on high-powered jet boats holding up to 45 passengers. The knowledgeable pilots give historical information and point out rock formations while the boats spin and travel up to 45 mph. Tours run daily from May through October at 10am, 12pm, 2pm, 4pm, and 6pm.