- Shaped by glaciers that deposited a huge amount of soil, sand and gravel here, creating a landscape of flat plains with small hills and deep river valleys. The great lakes are located in basins gouged out by the glaciers.
- This region has the longest growing season in Canada.
- The summers are hot and humid with many thunderstorms. The winters are cool and snowy.
- The majority of Canada’s manufacturing takes place in this region.