Sumaco
Volcano Isolated Ecuadorian volcano with high biodiversity
Isolated stratovolcano in Napo Province rising from the Amazon rainforest; birdwatchers and biologists visit for high endemism, cloud‑forest trails, and challenging trekking.
Sumaco is a distinctive, isolated volcanic peak in Napo Province in eastern Ecuador noted for its ecological distinctiveness and rich biodiversity. The mountain rises to roughly 3,990 metres above sea level.
The area is valued by naturalists and birdwatchers for cloud forest habitats and a high number of endemic species found on the volcano’s slopes. Trails and guided treks bring visitors into montane forest zones that contrast with adjacent Andean ranges.
Sumaco is a volcanic massif whose geology and isolated position have produced unique ecological communities; it has not been prominent in recent documented eruptions.
The volcano sits on the eastern side of the Andean cordillera in Napo Province, in the eastern foothills of the Ecuadorian Andes.
- Elevation: Summit elevation is about 3,990 metres, making it one of the higher isolated volcanic peaks on Ecuador's eastern Andean flank.
How to Get to Sumaco #
Accessed from Ecuador’s Napo province; field expeditions typically begin from Tena or Coca with multi-day travel into the foothills. Local guides and transport are essential due to the remote, rugged access.
Tips for Visiting Sumaco #
- Hire a local guide with rainforest experience - Sumaco's trails are remote and the cloud forest terrain can be disorienting.
- Aim for early morning birdwatching - hummingbirds, tanagers and, with luck, rare endemics are most active at dawn.
- Prepare for heavy rain and muddy trails; waterproofs and good gaiters are essential.
Best Time to Visit Sumaco #
Best visited in the drier months for access to remote trails; birding is excellent year-round but clearest in the dry season.
Weather & Climate near Sumaco #
Sumaco's climate is classified as Tundra - Tundra climate with consistently warm temperatures year-round. Temperatures range from 3°C to 14°C. Abundant rainfall (1670 mm/year), wettest in July.
January
January is cold with highs of 14°C and lows of 4°C. Regular rainfall (93 mm).
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February
February is cold with highs of 14°C and lows of 4°C. Regular rainfall (95 mm).
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March
March is cold with highs of 14°C and lows of 4°C. Significant rainfall (124 mm).
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April
April is cold with highs of 14°C and lows of 4°C. Significant rainfall (133 mm).
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May
May is cold with highs of 14°C and lows of 4°C. Significant rainfall (159 mm).
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June
June is cold with highs of 13°C and lows of 4°C. Heavy rain (217 mm).
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July
July is the coolest month with highs of 12°C and lows of 3°C. The wettest month with heavy rain (236 mm).
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August
August is cold with highs of 13°C and lows of 3°C. Significant rainfall (170 mm).
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September
September is cold with highs of 13°C and lows of 3°C. Significant rainfall (135 mm).
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October
October is cold with highs of 14°C and lows of 4°C. Significant rainfall (116 mm).
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November
November is cold with highs of 14°C and lows of 4°C. Significant rainfall (111 mm).
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December
December is cold with highs of 14°C and lows of 4°C. Regular rainfall (81 mm).
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