This detailed early 18th-century map illustrates the historical provinces of Béarn, Bigorre, Armagnac, and neighboring territories in southwestern France, stretching to the Pyrenean border with Spain. Published in Paris in August 1712 by Guillaume Delisle, Premier Géographe du Roi and member of the Académie Royale des Sciences, the work exemplifies Delisle's pioneering scientific methodology, which eliminated traditional cartographic errors through rigorous astronomical calculations and reliable geographical surveys. The map provides a rich visual record of regional topography, including mountain passes, river systems, and alpine valleys such as the Vallée d'Aspe and Vallée d'Ossau. Outline hand coloring distinguishes various regional jurisdictions, including Bas-Armagnac, Haut-Armagnac, Chalosse, and Lower Navarre, while an extensive key in the upper left corner defines ecclesiastical boundaries, fortified towns, abbeys, and road networks.