66th parallel north, circle of latitude
The 66th parallel north is a circle of latitude that runs approximately 61 kilometers south of the Arctic Circle around the Earth. It passes through Canada, Finland, Iceland, Norway, Russia, Sweden, and the United States, marking a clear boundary toward colder, more northern climate zones.
The 66th parallel was historically used as a reference point for navigation and mapping to understand and describe the world's northern regions. It has guided explorers and scientists in exploring these remote areas and remains an important marker for scientific research in the Arctic.
The 66th parallel passes through regions where people have adapted their traditions to extreme seasonal light and cold. In Norway, Sweden, and Finland, communities have developed ways of living shaped by the midnight sun in summer and extended darkness in winter.
Areas along this line are often difficult to reach and require preparation for harsh conditions with cold and changing light. Visitors should expect extreme seasons where the sun does not set for days in summer and does not rise for extended periods in winter.
The line marks the transition zone to the midnight sun phenomenon, where between mid-June and late June the sun does not set and the perception of day and night completely changes. This creates a striking experience for visitors unfamiliar with such extreme light conditions.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
