The Put In rapid at Argo Cascades is a low-gradient, controlled whitewater feature designed for skill development and urban paddling in Ann Arbor. Paddlers enter the engineered channel from a structured launch point, with minimal technical challenges and a predictable, consistent flow that makes it ideal for beginners and practice runs. The rapid offers a smooth, deliberate entry point into the Huron River's urban whitewater section, with minimal hazards and a well-defined line.