ANNONAY, a town in France; dept. of Ardeche, som. S. of Lyons by the P.L.M. railway. Pop. (1931) 13,176. Annonay is built on a hill above the confluence of the deep gorges of Dame and Cance (tributaries of the Rhone), which supply power to local factories. A reservoir constructed in the Ternay valley, an affluent of the Deome, to the north-west of the town, provides water for industrial and domestic purposes. The brothers Montgolfier, inventors of the balloon, and Marc Seguin, engineer, were natives of Annonay. A tribunal of commerce, a board of trade-arbitrators, and chambers of commerce and of arts and manufactures are among the public institutions. Annonay is the principal industrial centre of its department, making paper, silk, leather, etc.