Sierra Negra, Isabela

4.3
#2 of 14 in Nature in Isabela
See the aftermath of recent lava flows at Sierra Negra, where the caldera ranks as the largest volcano on the Galápagos Islands. Since its last eruption in 2005, the shield volcano has continued to release heat and gases, without any major events. Take a guided tour to the volcano to learn about the geological phenomena that created it. If you put your hands over a hole in the mountainside, you'll feel the geothermal heat radiating from beneath the surface. Wear boots for the journey, as you might have to trek through deep mud on the way up. Plan your Sierra Negra visit and explore what else you can see and do in Isabela using our Isabela trip itinerary tool .
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Sierra Negra Reviews
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TripAdvisor Traveler Rating 4.5
393 reviews
Google
4.3
TripAdvisor
  • My boyfriend and I were unsure whether to do this trip, but are SO glad we did! The crater was incredible - we’ve done a lot of hiking but nothing compares to being on top of this super volcano. You g...  more »
  • We did close to 10 miles to view the crater. The terrain is mostly moderate on a great trail. It's the length of the hike that might make it strenuous for some folks. You can turn around at any point....  more »
  • With a crater diameter of 9km (!), Sierra Negra is the second largest active volcano on earth. We felt this primal force on the hike to the crater and recently active secondary crater "Vulcan Chico." The landscape is barren yet bustling, the play of colours with iron oxide and sulfur great and many rock shapes look like freshly kneaded dough. Fascinating and definitely an excursion value.
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  • Great morning hike but don’t expect to see anything due to the fog and be prepared for rain and super muddy shoes. So not sure if the $40 volcano tour is really worth it.
  • Arriving at Sierra Negra volcano is amazing, it's huge.....a vast black carpet of volcanic rock covers it's surface, thats were its name derives from. Hiking around the crater and arriving at the northernmost is called volcan chico. In this area there are lots of small craters that are active and you see steam coning out if cracks. The views are outstanding and breathtaking. Very recommended.
  • Great hike when the weather isn't foggy.
  • I LIKE THE PHOTOS
  • Cool hike
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