nordlichste
Nördlichste is the superlative form of the German adjective nördlich, meaning northern or situated farthest to the north. It is used to describe the most northern item within a group, such as a place, feature, or region.
In standard German, the adjective is formed from the root Nord- (north) with the suffix -lich to
Usage and examples common in geographic and descriptive writing include identifying the most northern settlement, coastline,
Variants and related terms include nördlich (northern) and nördlichste (the northernmost). The form without umlaut, nordlichste,
See also: Northernmost (English), nordic toponymy, German grammar on superlatives.