The mountain ringlet ('Erebia epiphron') is a butterfly of the family 'Nymphalidae'. It is found in mountainous regions of southern and central Europe.

They are only found in discrete colonies in remote locations, they have an extremely-short flight period. They can be very difficult to find in anything other than bright sunshine, since the adults tend to remain sheltered deep in grass tussocks in overcast and cool conditions. Given the right temperature this butterfly will take to the air as soon as the sun shines, bringing an apparently dormant landscape to life.

They have a wingspan of 16–22 millimetres (0.63–0.87 in). The wings are blackish-brown above, the rear band on both wings are ringed, with scarlet rings.

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