Canada nwere oke osimiri kachasị ogologo n'ụwa, na ngụkọta ogologo nke 243,042 kilomita (151,019 mi); Ọzọkwa, ókèala ya na United States bụ ókèala ala kachasị ogologo n'ụwa, na-agbatị 8,891 kilomita (5,525 mi). Atọ n'ime agwaetiti arctic nke Canada, Baffin Island, Victoria Island na Ellesmere Island, so n'ime ndị kasị ukwuu n'ụwa. Kemgbe ngwụsị nke oge ice ikpeazụ, Canada nwere mpaghara ọhịa asatọ dị iche iche, gụnyere oke ọhịa dị na Canadian Arctic Shield nke nwere ihe karịrị 2,000,000 square kilomita. Ajụjụ: Gịnị bụ Canada?
nke ice na permafrost kpuchiri