SumacoSumaco at a Glance
About Sumaco
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.
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.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 4° - 14° | 7° | 93 mm | - | - | 3.1 m/s | - | - |
| February | - | 4° - 14° | 7° | 95 mm | - | - | 2.9 m/s | - | - |
| March | - | 4° - 14° | 7° | 124 mm | - | - | 2.8 m/s | - | - |
| April | - | 5° - 14° | 8° | 133 mm | - | - | 2.7 m/s | - | - |
| May | - | 4° - 14° | 7° | 159 mm | - | - | 2.9 m/s | - | - |
| June | - | 4° - 13° | 6° | 217 mm | - | - | 3.4 m/s | - | - |
| July | - | 3° - 12° | 5° | 236 mm | - | - | 3.9 m/s | - | - |
| August | - | 3° - 13° | 5° | 170 mm | - | - | 3.9 m/s | - | - |
| September | - | 3° - 13° | 6° | 135 mm | - | - | 3.5 m/s | - | - |
| October | - | 4° - 14° | 7° | 116 mm | - | - | 3.0 m/s | - | - |
| November | - | 4° - 14° | 8° | 111 mm | - | - | 2.9 m/s | - | - |
| December | - | 4° - 14° | 8° | 81 mm | - | - | 3.0 m/s | - | - |
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.