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Explore/Chile/CL AR/Lonquimay Volcano & Las Raíces Tunnel — Curacautín to the Araucanía Frontier
CLCuracautín, ChileModeratePaved

Lonquimay Volcano & Las Raíces Tunnel — Curacautín to the AraucaníaFrontier.

Distance
65 km
Duration
1 day
Climb
1,300 m
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Curated by Rider · Updated Jun 2026
Overview /01Day-by-day /02Open in app →
Overview

Lonquimay Volcano & Las Raíces Tunnel — Curacautín to the Araucanía Frontier.

A short, scenic mountain road from Curacautín east to the Araucanía high frontier, beneath the smoking Lonquimay volcano. The route passes through the Malalcahuello araucaria reserve and the single-lane Las Raíces tunnel — long one of South America's longest road tunnels — into the wide Lonquimay valley near the headwaters of the Bío Bío.

Quick facts

SurfacePaved
Distance65 km
Days1
Total climb1,300 m
DifficultyModerate
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Day-by-day

The route.

ROUTE
3 stops
Start
CuracautínStart · Start in Curacautín on the Río Cautín. Fuel up and head east up the valley toward the Lonquimay volcano and the high frontier.
Scenic
Reserva Nacional Malalcahuello & Túnel Las RaícesScenic Point · Araucaria reserve beneath the smoking Lonquimay volcano (2,865m) and its Navidad crater, which erupted on Christmas Day 1988. The road threads the long single-lane Las Raíces tunnel through the cordillera.
End
LonquimayEnd · End in Lonquimay town, a remote frontier settlement in the wide upper valley near the source of the Bío Bío river. Pehuenche country.

More routes in Chile

Conguillío & Llaima Volcano — Temuco to Curacautín via the Araucaria ForestsCL AR · 190 kmTorres del Paine Circuit — Puerto Natales LoopCL MA · 350 kmLauca National Park — Arica to Lago ChungaráCL AP · 220 kmChiloé Island Circuit — Chacao to QuellónCL LL · 230 kmPaso de Jama — San Pedro de Atacama to the AltiplanoCL AN · 165 kmValle del Elqui — Pisco, Stars & Andean FoothillsCL CO · 200 km

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