Navassa Island
lowest point: Caribbean Sea 0 m
highest point: unnamed location on southwest side 77 m

Nepal
lowest point: Kanchan Kalan 70 m
highest point: Mount Everest 8,850 m (1999)

Netherlands
lowest point: Zuidplaspolder -7 m
highest point: Vaalserberg 322 m

Netherlands Antilles
lowest point: Caribbean Sea 0 m
highest point: Mount Scenery 862 m

New Caledonia
lowest point: Pacific Ocean 0 m
highest point: Mont Panie 1,628 m

New Zealand
lowest point: Pacific Ocean 0 m
highest point: Aoraki-Mount Cook 3,754 m

Nicaragua
lowest point: Pacific Ocean 0 m
highest point: Mogoton 2,438 m

Niger
lowest point: Niger River 200 m
highest point: Mont Bagzane 2,022 m

Nigeria
lowest point: Atlantic Ocean 0 m
highest point: Chappal Waddi 2,419 m

Niue
lowest point: Pacific Ocean 0 m
highest point: unnamed location near Mutalau settlement 68 m