Canon del Sumidero, where Chiapas narrows to a sheer gorge
Published on 09/09/2026 at 10:08 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Canon del Sumidero in southern Mexico is a river canyon where the Grijalva cuts through a narrow corridor of cliffs near Chiapa de Corzo in the state of Chiapas. The gorge forms the core of Sumidero Canyon National Park, a protected area established in the late twentieth century that stretches across several municipalities around Tuxtla Gutiérrez.
A river carved into the Chiapas highlands
Canon del Sumidero is a deep natural canyon where the Grijalva River flows between rock walls that rise hundreds of metres above the water. The canyon lies just north of Chiapa de Corzo and a short distance from Tuxtla Gutiérrez in Chiapas, linking the river plain near the colonial town to the reservoir backed up behind the Manuel Moreno Torres hydroelectric dam at Chicoasén.deep natural canyon From the southern mouth near Chiapa de Corzo, boat routes follow the river along the length of the gorge towards the dam.
The canyon and its surroundings form Sumidero Canyon National Park, a protected area covering more than 20,000 hectares of steep terrain, forests and riverbank habitats.parque nacional Cañón del Sumidero The park extends across municipalities including Tuxtla Gutiérrez and Chiapa de Corzo, bringing together river access at low level with viewpoints above the rim. Sheer cliffs, side ravines and patches of forested slope make Canon del Sumidero feel enclosed even though the river itself remains relatively broad.
Cliffs, waterfalls and wildlife along the Grijalva
The defining experience of Canon del Sumidero is the contrast between the calm river surface and the near-vertical canyon walls. In places, the cliffs reach around 1,000 m (3,281 ft) above the Grijalva, creating a fluvial corridor recognised as one of the most imposing landforms in Chiapas.walls that rise as high as 1,000 metres The rock faces are broken by ledges, vegetated slopes and seasonal waterfalls, including the so?called “Christmas Tree” formation where water has left mineral deposits and hanging vegetation on the cliff.
The Grijalva carries visitors past river bends, sandbanks and occasional rock outcrops used by animals to rest. The national park shelters fauna such as crocodiles and river turtles, which sometimes bask on exposed stones or bars inside the canyon.crocodiles and river turtles Away from the water, the surrounding slopes host dry forest and patches of pine and oak, reflecting the range of elevations within the protected area.ecosystems like selva and pine-oak forest Birds circle above the cliffs and cross the gap between the two sides, emphasising just how tight the canyon feels from river level.
Canon del Sumidero and its national park status
Sumidero Canyon National Park was decreed as a protected area in the 1980s, formalising the conservation of Canon del Sumidero and a belt of surrounding terrain as an Área Natural Protegida under Mexican law.Parque Nacional Cañón del Sumidero Its creation recognised both the geological significance of the canyon and the ecological richness of the slopes, ravines and river corridor, from dry tropical forest at lower elevations to mixed woodland higher up. The park’s boundaries take in parts of five municipalities in Chiapas, reflecting the regional scale of the protected landscape.
The wider river system is also shaped by twentieth?century infrastructure. At the northern end of the gorge stands the Manuel Moreno Torres dam, completed in 1981 to harness the flow of the Grijalva for hydroelectric generation.Chicoasén hydroelectric dam completed in 1981 Behind the dam lies a reservoir that floods the upper section of the canyon, so a visit to Canon del Sumidero today combines a natural gorge carved over millions of years with a man?made lake at its far end.
Visiting Canon del Sumidero: what travellers from Western Europe should know
- Canon del Sumidero lies just north of Chiapa de Corzo in Chiapas, with Tuxtla Gutiérrez as the nearest major city and embarkation points for river boats near Chiapa de Corzo.
- The terrain combines river travel with steep canyon sides; on the water the route is level, but on land access paths and viewpoints involve gradients and guardrails along the rim.
- Road access links Tuxtla Gutiérrez to Chiapa de Corzo and onwards to viewpoints above the canyon, following the Grijalva River towards the mouth of Canon del Sumidero.
- The official language is Spanish and the currency is the Mexican peso. Entry requirements depend on your nationality; UK travellers can check the FCDO travel advice at gov.uk/foreign-travel-advice, Irish travellers the Department of Foreign Affairs at ireland.ie.
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Frequently asked questions about Canon del Sumidero
Where is Canon del Sumidero?
Canon del Sumidero is in Chiapas in southern Mexico, just north of Chiapa de Corzo and a short distance east of Tuxtla Gutiérrez along the Grijalva River.
What can visitors expect on a visit?
Visitors encounter a boat journey or viewpoints along a deep gorge where the Grijalva flows between high cliffs, with wildlife, waterfalls and forested slopes inside a national park.
What makes Canon del Sumidero distinctive?
The gorge is distinctive for its combination of sheer walls rising up to around 1,000 m (3,281 ft), the protected status of Sumidero Canyon National Park and the presence of a major hydroelectric dam at its northern end.
