(RHONE-ALPES-SWITZERLAND-69) Louis DENIS (1725–1794) – “Road from Lyon to Geneva...” - 18th century. Engraving enhanced with watercolor on laid paper by Louis Denis in 1777, published in his famous collection of maps titled *Le Conducteur français*. Engraved by Chalmandrier. The map begins in Lyon and follows the Rhône plain northeastward via Miribel and Meximieux, passing through the Pays de Gex via Collonges and Saint-Genis before ending in Geneva. (180 x 570 mm) - Condition A-. Map with a cut-off corner. Folding creases from the printing process. A few foxing spots.