Mount Tambora

Gunung Tambora

Mount Tambora on Sumbawa is home to the 1815 eruption, one of history's most catastrophic volcanic events, and remains an active volcano with a dramatic crater lake. The challenging trek to its summit crosses alien volcanic landscapes and offers insights into geological power and regional history.

Things to do

• Summit Trek to Crater Lake — Hike the challenging 7-8 hour ascent through volcanic scree and ash fields to reach the dramatic freshwater crater lake 2,642 meters above sea level.
• Volcanic Landscape Walk — Explore the otherworldly terrain of black sand, sulfur vents, and barren volcanic ridges that showcase the raw geological aftermath of the 1815 eruption.
• 1815 Eruption Historical Sites — Visit villages around the mountain's base where you can see how communities rebuilt after the catastrophic eruption that killed tens of thousands and darkened skies globally.
• Crater Rim Photography — Walk along the crater's edge at sunrise or sunset to capture panoramic views of the lake, surrounding peaks, and volcanic formations.
• Geothermal Features Observation — Observe steaming fumaroles and hot springs that reveal the volcano's ongoing thermal activity and geological significance.
• Local Guide Village Tours — Meet trekking guides from nearby Pancasila village who share oral histories of the eruption and contemporary volcanic monitoring practices.

Food to try

• Ikan Bakar Sumbawa — Freshwater or sea fish grilled over open flames and seasoned with turmeric, garlic, and local spices, a regional specialty of Sumbawa island.
• Plecing Kangkung — Blanched water spinach tossed with a fiery red chili and garlic paste made from locally grown bird's eye chilies, a staple vegetable dish.
• Soto Ayam Sumbawa — Turmeric-based chicken soup enriched with local spices, coconut milk, and aromatic herbs served in village restaurants near the mountain.
• Beberuak — Traditional Sasak dish of tender beef or game meat slow-cooked in coconut milk with aromatic spices, commonly prepared for special occasions in local communities.
• Mountain Spring Water and Coffee — Fresh water sourced from volcanic springs and locally grown arabica coffee served in trekking guide homestays at the mountain's base.

Local customs & good to know

• Hire Experienced Local Guides — Guides from Pancasila village are essential not only for navigation on unmarked trails but for sharing earthquake-related knowledge and ensuring safety during volcanic activity.
• Respect Mountain Spirituality — Local communities hold the mountain sacred as part of their spiritual beliefs; dress modestly, avoid loud behavior at the crater, and ask permission before photographing people or sacred sites.
• Prepare for Extreme Weather Changes — The mountain experiences rapid temperature drops and sudden fog; locals advise starting treks before dawn and carrying water and warm layers regardless of base temperature.
• Support Local Economy Responsibly — Purchase supplies and meals from village homestays rather than imported goods, and consider hiring multiple guides to distribute income among community members.