The Motupipi River is a short river located in the Tasman Region of New Zealand's South Island. It is historically notable for having been considered the most polluted river in the Tasman Region. A dedicated paddling resource indicates that information on access points, boat ramps, and facilities for an unforgettable day on the water is available, suggesting the river is used for kayaking and paddle boarding. The overall character of the paddling experience is not detailed, nor are specific routes, hazards, seasonal timing, water temperatures, or regulations. The river's aesthetic appearance is not described, and no specific wildlife or unique geographical characteristics are mentioned in the provided information. There is no indication of any restrictions on paddling activity.