Lépine is a commune in the Pas-de-Calais department in the Hauts-de-France region of France. Lépine is situated 6 miles south of Montreui…Lépine is a commune in the Pas-de-Calais department in the Hauts-de-France region of France. Lépine is situated 6 miles south of Montreuil-sur-Mer, just off the N1 on the D140 road.