Clairmarais (; ) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.INSEE commune file 2 miles (3 km) northeast of Saint-Omer. The Neufosse Canal, which connects the rivers Aa and Lys, passes by the commune. During World War I, the Royal Flying Corps, and later Royal Air Force, operated from Clairmarais aerodrome.
Population
Places of interest The Romelaëre national nature reserve.JO; Decree No. 2008-220 of 5 March 2008 covering creation of the national nature reserve "Romelaëre Lakes" Nord and Pas-de-Calais
See also Communes of the Pas-de-Calais department
References
External links
A Clairmarais website Another Clairmarais website