Izu Oshima Experience
Mt. Mihara Trekking
Walk across landscapes shaped by repeated eruptions on Mt. Mihara at the heart of the island.
Guests will explore lava fields and wide caldera views while learning how the island was formed and how volcanic activity continues to shape the land over time.
We offer three trekking options around Mt. Mihara, allowing guests to select the best course based on time in port and guest fitness levels.
1. Caldera Walk (No Summit Climb)
A gentle walk across the caldera floor, exploring lava fields and nature’s regeneration without any summit climb.
} 2 hours
Easy / Mostly flat
Nature, Geology, Scenic Views
2. West Crater Viewpoint Trek
A scenic trek to a west-side viewpoint overlooking approximately 80% of the crater, balancing depth of experience with time efficiency.
} 3.5 hours
Moderate / Some slopes
Nature, Geology, Scenic Views
3. Crater Rim Circuit (Ohachi-meguri)
A full circuit along the crater rim, offering 360-degree views into Mt. Mihara’s volcanic heart.
} 4 hours
Moderate / Some slopes & Uneven terrain
Nature, Geology, Scenic Views