From Puerto Montt, cross the Reloncaví estuary Caleta La Arena–Caleta Puelche, then drive to Hornopirén. Transportes del Estuario described arrival purchase without advance reservations on 4 October 2026. Check operation before leaving and allow a queue; no waiting time or all-weather service is promised. A pedestrian, bus or transfer booking must also cover the onward road.
Stay in Hornopirén before the confirmed sailing when useful for port and vehicle formalities. Somarco publishes Hornopirén–Leptepu by sea, Leptepu–Fiordo Largo by road, Fiordo Largo–Caleta Gonzalo by sea. Verify the dated seasonal format, departure, check-in and arrival port; pedestrians and cyclists need the middle-road transport and baggage arrangements explained. Match onward lodging to the actual arrival.
The northern sequence continues Caleta Gonzalo–Chaitén–La Junta–Puyuhuapi–Queulat–Coyhaique. A separately confirmed onward connection is needed to avoid returning through the northern crossings. Central Aysén links Coyhaique–Villa Cerro Castillo–Puerto Río Tranquilo; a Balmaceda exit retraces road and requires agreed vehicle return and airport transport.
Farther south, Puerto Bertrand–Cochrane leads either to the Tortel detour or to Puerto Yungay. Naviera Transal/Ferry Patagonia runs Puerto Yungay–Río Bravo across Fiordo Mitchell, then the road continues to Villa O’Higgins. Check its own seasonal notice and reserve the reverse crossing and a fallback overnight. A southern lake excursion or a map line toward Argentina establishes neither an authorized passenger connection nor a vehicle exit.
Published orientation, checked 5 October 2026: Chile Travel gives Coyhaique–Río Tranquilo about 240 km/five hours—roughly 480 km return before excursions. Villa O’Higgins municipal tourism gives Coyhaique–Cochrane 340 km/six hours; Cochrane–Puerto Yungay 130 km/three hours; Fiordo Mitchell about 45 minutes; Río Bravo–Villa O’Higgins 90 km/two hours. Add boarding, waiting, weather, works and stops; these exclude sightseeing and do not guarantee arrivals. Repeat the southern stages northbound and keep the lake outing on a separate day.
For every crossing, match port pair, direction, date, passenger category and vehicle to its operator; see the ferry guide.