Ireland
lowest point: Atlantic Ocean 0 m
highest point: Carrauntoohil 1,041 m

Isle of Man
lowest point: Irish Sea 0 m
highest point: Snaefell 621 m

Israel
lowest point: Dead Sea -408 m
highest point: Har Meron 1,208 m

Italy
lowest point: Mediterranean Sea 0 m
highest point: Mont Blanc (Monte Bianco) de Courmayeur 4,748 m (a
secondary peak of Mont Blanc)

Jamaica
lowest point: Caribbean Sea 0 m
highest point: Blue Mountain Peak 2,256 m

Jan Mayen
lowest point: Norwegian Sea 0 m
highest point: Haakon VII Toppen/Beerenberg 2,277 m

Japan
lowest point: Hachiro-gata -4 m
highest point: Mount Fuji 3,776 m

Jersey
lowest point: Atlantic Ocean 0 m
highest point: unnamed location 143 m

Jordan
lowest point: Dead Sea -408 m
highest point: Jabal Ram 1,734 m

Kazakhstan
lowest point: Vpadina Kaundy -132 m
highest point: Khan Tangiri Shyngy (Pik Khan-Tengri) 6,995 m