Lake Llanquihue
The second largest lake in Chile, ringed by German colonist towns and watched over by two volcanoes.
Updated 16 October 2026
Llanquihue covers around 870 square kilometres, which makes it the second largest lake in Chile after General Carrera, and it was formed by glaciers coming off the Andes during the ice ages, dammed by moraine at its western end. Osorno stands on its eastern shore with Calbuco behind, so the standard image of the Chilean lake district is taken from somewhere on this water. The German colonisation of the 1850s went in around it, and the towns on its shores - Puerto Varas, Frutillar, Puerto Octay, Llanquihue - all date from that programme. The circuit road round the lake is about 180 kilometres.
Background
Llanquihue covers about 871 square kilometres in the Llanquihue and Osorno provinces of Los Lagos, second in Chile only to General Carrera, which Chile shares with Argentina. It is 40 kilometres long and 32 wide, reaches 317 metres at its deepest and lies 51 metres above sea level, with a shoreline of 197 kilometres. Its fan shape was carved by successive piedmont glaciers in the Quaternary, and Chilean geologists named the last glacial period the Llanquihue glaciation after the moraines around it. Some historians place the lake within the range of the ancient Chono nomads.
Source: Wikipedia, "Llanquihue Lake"
What you'll find
- The second largest lake in Chile - about 870 square kilometres.
- Osorno and Calbuco above it - the two cones on the eastern side.
- A ring of colonist towns - all from the 1850s settlement scheme.
- A circuit of about 180 kilometres - the road round the shore.
When to go
December to March. A full day to drive the circuit.
Before you go
The volcanoes are hidden by cloud a great deal of the time. The water is cold for swimming. The western side is close to route 5 and busier. Rain is frequent in every season.
Nearby
Puerto Varas is on the southern shore; Osorno volcano is east.
Key facts
Source: Wikidata, item Q826464, read on 18 October 2026.
What to pack for Lake Llanquihue
Chosen from what this place is for. Tap a kit for the full checklist.
- Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
- Warm base layers - Merino or synthetic against the skin - never cotton, which chills when damp. Find on Amazon
- Quick-dry towel - A microfibre towel packs small and dries in minutes. Find on Amazon
- An insulated + windproof jacket - A down or synthetic layer under a hard shell handles most cold. Find on Amazon
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