Isabela Island: Six Volcanoes, Penguins & the Wall of Tears
The largest and wildest Galápagos island: Sierra Negra caldera, Los Túneles lava arches, and the only penguin north of the equator.
Jhayro Ludeña
Lead Naturalist & Head of Expedition Design
Isabela Island: The Wild Heart of Galápagos
Isabela is the largest island in the archipelago at 4,588 km² — over 60% of the total Galápagos landmass. Six shield volcanoes rise from a single seahorse-shaped landmass: Ecuador, Wolf, Darwin, Alcedo, Sierra Negra and Cerro Azul. Five of them remain geologically active, making Isabela the wildest and least developed of the inhabited islands.
Puerto Villamil: The Village at the Edge of the World
Home to roughly 2,200 residents, Puerto Villamil is a sandy-street village that trades speed for authenticity. Wooden hammock bars replace pavement, marine iguanas cross the road unhurried, and pelicans wait patiently at the fish market. Its flamingo lagoon — a two-minute walk from the main square — is the largest coastal lagoon system in Galápagos.
Three Must-Do Experiences
1. Sierra Negra Volcano hike. A 16 km round trip along the 7.2 × 9.3 km caldera rim, the second-largest active caldera on Earth. The trail crosses the parasitic Volcán Chico with steam vents still hissing after the 2018 eruption. Certified guide mandatory.
2. Los Túneles snorkel tour. A 45-minute boat ride from the pier reaches lava-arch formations sculpted by cooling flows meeting seawater. Swim beside white-tip reef sharks, green sea turtles, seahorses and — with luck — Galápagos penguins.
3. Wall of Tears bike ride. A 5 km flat trail from town through mangroves and beaches to the 100 × 7 × 3 m basalt wall, built stone by stone by penal-colony prisoners between 1946 and 1959. The lookout above rewards the climb with a panorama of every volcano.
Unique Fauna You Won't Find Elsewhere
Isabela is the only place on Earth where the Galápagos penguin (Spheniscus mendiculus) breeds regularly north of the equator, and the only home of the flightless cormorant (Nannopterum harrisi). Five endemic subspecies of giant tortoise still roam its highland shield calderas — one per volcano, isolated from each other for hundreds of thousands of years.
Book Your Isabela Expedition
Vermilion Routes bundles Isabela into our 8-day Galápagos program with certified naturalist guide, hotel in Puerto Villamil, private speedboat transfers and all National Park entrance fees pre-arranged.
Frequently Asked Questions
Expert travel answers & verified destination planning insights
Q1.How do I get to Isabela Island from Puerto Ayora?
Public speedboats depart Puerto Ayora (Santa Cruz) at 07:00 and 14:00 for a 2-hour crossing to Puerto Villamil. Vermilion Routes pre-books your seat, arranges the port taxi and welcomes you dockside on Isabela.
Q2.Can I hike Sierra Negra volcano without a guide?
No — the National Park requires a certified naturalist guide for the 16 km round-trip trail. Its caldera measures 7.2 × 9.3 km and last erupted June–August 2018, so the route is monitored daily by park rangers.
Q3.What is the Wall of Tears (Muro de las Lágrimas)?
A 100 × 7 × 3 m wall of black volcanic rock built by prisoners of a penal colony between 1946 and 1959. Reached by a 5 km bike ride from Puerto Villamil through wetlands full of flamingos, iguanas and giant tortoises.
Q4.What entrance fees apply to Isabela?
USD 200 Galápagos National Park (adult foreigner), USD 20 TCT migration card at UIO airport, plus a USD 10 municipal fee upon arrival at Puerto Villamil pier. Cash only.
Q5.Which wildlife is exclusive to Isabela Island?
The Galápagos penguin (only penguin found north of the equator), the flightless cormorant, five endemic subspecies of giant tortoise, and the largest colony of marine iguanas in the archipelago.
Explore 300+ Verified Field Photographs
Browse high-resolution captures of endemic wildlife, volcanic landscapes, and authentic expedition moments.
Jhayro Ludeña
Lead Naturalist Guide & Head of Expedition Design
Vermilion Routes · Quito & Galapagos, Ecuador
“Born in the Ecuadorian Andes with over 12 years guiding private expeditions across the Galapagos Islands, the Amazon rainforest, and high-altitude volcanic trails. Specialized in field biology, endemic wildlife interpretation, and bespoke itinerary planning, officially certified by the Ministry of Tourism of Ecuador.”
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Galapagos Grand Odyssey: 8-Day 3-Island Expedition (With Quito Transfers)
The ultimate 8-day expedition across 3 major islands (Santa Cruz, Isabela, and San Cristóbal) combined with private Quito airport transfers. Discover giant tortoises, Tintoreras Islet, Las Grietas, full-day yacht snorkeling at Santa Fe or Pinzón, and San Cristóbal’s Interpretation Center, Tijeretas Hill and La Lobería.
Galapagos Encounter: 6-Day Expedition (With Quito Transfers)
Comprehensive 6-day Galápagos journey featuring private airport transfers in Quito, Santa Cruz highlands, giant tortoises at Primicias Ranch, full-day Isabela Island speedboat excursion with Tintoreras snorkeling and flamingo lagoon, and coastal exploration at La Lobería, Punta Estrada and Las Grietas.
Galapagos Explorer: 7-Day Island Expedition (With Quito Transfers)
Unforgettable 7-day journey connecting Quito private transfers, Santa Cruz highlands & giant tortoises, an overnight stay on Isabela Island with Tintoreras & flamingo lagoon, Las Grietas canyon, and a full-day navigable yacht excursion to Santa Fe or Pinzón Island.
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