The Colônia crater is a presumed impact crater located in the municipality of São Paulo, Brazil. It is a round bowl-shaped depression, without any obvious central bulge, with a diameter of about 3.6 km, bounded by a circular ring of hills about 125 m high relative to the inner depression. Its approximate location is 23°52′15″ South and 46°42′30″ West, 770 m above sea level. The name comes from the town district of Colônia located just North of the feature.
Links: en.wikipedia.org, www.cnpm.embrapa.br