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From the Assisi World / Places
Mortaro Grande
Mortaro Grande is a large karst sinkhole on Mount Subasio’s signed Mortari walking circuit. Its unusual landform gives hikers a concrete geological feature to seek out in the open mountain landscape.
Mortaro Grande is a large karst hollow on Mount Subasio, where the ground itself explains the limestone geology of the mountain. Follow the signed Mortari circuit to see its bowl shape from a safe viewpoint, then compare the surrounding slopes with the very different stone streets below in Assisi. This is an exposed walking stop, not a town-centre monument.
What to look for
The large karst sinkhole on Mount Subasio is a striking geological stop on the signed Mortari walking circuit.
Useful to know
Stay on the signed Mortari route and view the sinkhole from safe ground.
Your next visit
Estimated · Declared scenario and planning estimates; no live opening, weather, queue or booking service.
Outdoor visit · 30–75 min
World planning estimate; admission, opening, visit duration and access need checking.
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Original World content and translations, shown as supplied. Practical information may need updating.
Assisi / Tours & Travel
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