[[Karstification.PNG|Thumb|<ref>Ontario Ministry of Northern Development and Mines. Karst. https://www.mndm.gov.on.ca/en/mines-and-minerals/applications/ogsearth/karst. Published 2017. Accessed October 17, 2017.</ref>]]
[[Karstification.PNG|Thumb|Red = Known Karst, Orange = Inferred Karst, Yellow = Potnetial Karst, all other areas unknown]]
Karst formations are found in areas along the Niagara Escarpment, including the Bruce Peninsula, the Guelph/Rockwood/Elora area of Wellington County and in portions of eastern Ontario.
Karst formations are found in areas along the Niagara Escarpment, including the Bruce Peninsula, the Guelph/Rockwood/Elora area of Wellington County and in portions of eastern Ontario<ref>Ontario Ministry of Northern Development and Mines. Karst. https://www.mndm.gov.on.ca/en/mines-and-minerals/applications/ogsearth/karst. Published 2017. Accessed October 17, 2017.</ref>.
===Karst formations, in which there are undetected sinkholes, trenches and caverns, can be dangerous===
===Karst formations, in which there are undetected sinkholes, trenches and caverns, can be dangerous===