Isabela Island: Sierra Negra Volcano Hike with Local Guide★★★★★★★★★★4.08 (13)5hYou’ll hike across ancient lava fields on Isabela Island with a local guide leading the way to Sierra Negra volcano’s massive crater. Feel volcanic warmth under your hand, share stories over a simple lunch with views you won’t forget, and finish your day back at Puerto Villamil — probably a little dusty but glad you came.fromUS$ 75View ›