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Path
Map symbol for paths: a long dashed line for a marked path (hiking association, coastal trail), short strokes like dots for an unmarked path and old routes of passage.
A marked path is shown with a long dashed line. Examples are hiking association paths, coastal trails and similar.
An unmarked path is shown with a dashed line of short black strokes — almost like dots one after another — for unmarked and less distinct paths. Examples are old routes of passage or paths used by few.

Here there are both marked and unmarked paths. The dashed lines with the longest strokes are marked paths. Map: screenshot from norgeskart.no.
Another example: a marked path to and from Berdalsbu. From the hut and eastwards there is an unmarked path.
More map symbols
Road · Tractor road · Bridge · Stream and river · Tourist hut · Contour lines