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 on Beerenberg 2,277 m
note: Beerenberg volcano has numerous peaks; the highest point on
the volcano rim is named Haakon VII Toppen, after Norway's first
king following the reestablishment of Norwegian independence in 1905
Japan
lowest point: Hachiro-gata -4 m
highest point: Fujiyama 3,776 m
Jersey
lowest point: Atlantic Ocean 0 m
highest point: unnamed elevation 143 m
Jordan
lowest point: Dead Sea -408 m
highest point: Jabal Umm ad Dami 1,854 m
Kazakhstan
lowest point: Vpadina Kaundy -132 m
highest point: Khan Tangiri Shyngy (Pik Khan-Tengri) 6,995 m
Kenya
lowest point: Indian Ocean 0 m
highest point: Mount Kenya 5,199 m
Kiribati
lowest point: Pacific Ocean 0 m
highest point: unnamed elevation on Banaba 81 m
Korea, North
lowest point: Sea of Japan 0 m
highest point: Paektu-san 2,744 m
Korea, South
lowest point: Sea of Japan 0 m
highest point: Halla-san 1,950 m