Château Cordeillan-Bages—a Relais & Châteaux hotel built around a 17th-century manor located just north of central Bordeaux, near the west coast of France—is toasting oenophiles with a special travel package this harvest season. The experience, called To the Harvest, is available from September 15 through October 15 and entails a smorgasbord to delight culinary and viticulture enthusiasts.

Highlights include dinner at the hotel’s Michelin two-star restaurant Château Cordeillan-Bages—where chef Jean-Luc …