The Río Encajonado is a waterway located near Ushuaia in Tierra del Fuego, Argentina. A recommended paddling route involves a journey of over 20 kilometers round trip, traveling from the river towards the Beagle Channel and back. For those seeking a shorter excursion, a 4.4-kilometer round-trip route leads to the historic Estancia Túnel, which takes approximately two hours to complete. The terrain difficulty for this shorter land-based approach is rated as easy to medium, with low physical demand. The river is noted as a fishing destination, though specific access points, boat ramps, and facilities for paddlers are not detailed. The overall character of the paddling experience is defined by its location in the remote and dramatic landscape of Tierra del Fuego, with the Beagle Channel serving as a significant geographical endpoint for longer trips. Specific information regarding seasonal water temperatures, water quality, major hazards, regulations, and detailed wildlife sightings is not provided for trip planning purposes.