Scoil Bhride

• About two hundred million years ago Croghan Hill erupted.
• It was one of thousand of volcanoes in the world.
• The heat of the lava was one thousand,two hundred degrees celcius.
• At the time Ireland was beside Argentina.
• There are plates in the world called tectonic plates.They are like pieces of a

jigsaw that fit together but sometimes move.This is what moved Ireland from
Argentina.

• It is seven hundred and sixty-nine feet above sea level which is around two

hundred and fifty metres.

• It is the highest hill in Offaly besides the Slive Bloom Mountains.
• It can be seen from the Mourne Mountains in County Down on a clear day.
• It is now an extinct volcano. It is a "harmless auld crater."