Quebrada Amarga, also referred to as Río Amargo, is a river in Chile's Tarapacá Region. It is characterized as a springtime gem for paddlers, offering a technical micro kayaking experience. The river features a significant total drop of 307 meters over its course, with an average gradient of 41 meters per kilometer, which is also expressed as 200 feet per mile. This steep gradient indicates a continuous, challenging descent suitable for experienced kayakers seeking a high-intensity run. The overall character of the paddling experience is one of concentrated, continuous whitewater in a desert region, with the activity being highly seasonal and dependent on springtime runoff.