northernmost
adj.the one that is farthest to the north. You use this to describe the place or point that is at the very top of a map.
adj.situated at the greatest distance from the equator; the most northerly point in a series or area.
“The northernmost point of the island is a popular spot for birdwatchers.”
“The explorer reached the northernmost point of the archipelago after weeks of navigating through thick ice.”
“While the capital city is located in the central valley, the northernmost province remains largely undeveloped, characterized by its harsh climate and sparse population.”
“A business unit of the Ukpeaġvik Iñupiat Corp., UIC Science provides logistical and technical support for Arctic research based in Utqiaġvik (Barrow), Alaska, the northernmost U.S.”
“A close relative of the harbor porpoise, found only in the northernmost Gulf of California in Mexico, the vaquita is at the very edge of extinction.”
From northern + -most.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.