'Quilotoa' (key-low-TOE-ah) is a water-filled
caldera and the westernmost
volcano in the
Ecuadorian Andes. The wide caldera was formed by the collapse of this
dacite volcano following a catastrophic
VEI-6 eruption about 800 years ago, which produced
pyroclastic flows and
lahars that reached the
Pacific Ocean, and spread an airborne deposit of
volcanic ash throughout the northern Andes. The caldera has since accumulated a deep
crater lake, which has a greenish color as a result of dissolved minerals.
Fumaroles are found on the lake floor and hot springs occur on the eastern flank of the volcano.
Quilotoa is a tourist site of growing popularity. The route to the "summit" is generally traveled by hired truck from the nearby town of
Zumbahua. Visitors must pay one American dollar each to look from the lip of the caldera. A number of simple ''hostales'' have developed in the immediate area, and offer services such as mules and guides for the five-hour hike around the caldera (whose diameter is about 3km), and lodging down in its bowl.
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Travel information