If die I must, let me die drinking in an Inn.

The French language Prose Lancelot cycle claims him "Gauthier Map" as an author though this is contradicted by internal evidence; some scholars have suggested he wrote an original lost Lancelot romance that was the source for the later cycle. His death was commemorated on 1 April at Hereford Cathedral. He encountered Thomas Becket before 1162.

Walter Map (born 1140 died c. 1208–1210) was a medieval writer of works written in Latin.