Home / Azores Geopark / Ribeira do Maloás - Geosite, Vila do Porto
At about 220 m from the mouth of the Maloás stream, the fluvial valley is characterized by a 15-20 m high water fall with an impressive columnar jointing on a subaerial basaltic lava flow. The vertical columns, sometimes almost 1 m across, are cut on top and base, resembling the Giant's Causeway.