Overview

Step into one of the most raw volcanic landscapes in the Galápagos. This guided hike crosses the Sierra Negra caldera to the sulfur mines, where steaming fumaroles and yellow deposits reveal active geology. * Walk inside one of the largest volcanic calderas on Earth * See active fumaroles and sulfur vents up close * Reach a remote, otherworldly landscape few visitors see * Learn from a certified naturalist guide about volcanic history Start with a drive from Puerto Villamil through lush highlands into the stark Sierra Negra volcano. Hike across lava fields and volcanic rock on a moderately challenging trail. As you near the mines, sulfur fills the air and the landscape transforms. At the site, explore steaming vents and mineral formations while your guide explains the geology and history of sulfur extraction. * Difficulty: Moderate (uneven volcanic terrain) * Ideal for: Adventure travelers, nature and geology lovers * Not suitable for: Limited mobility or sulfur sensitivity

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