Final answer:
Châteauneuf-du-Pape wines are made from thirteen authorized grape varieties including Syrah, Grenache, and Roussanne among others, providing a range of complex flavors.
Step-by-step explanation:
The thirteen authorized grape varieties to make Châteauneuf-du-Pape include both red and white grape varieties. The red varieties are Syrah, Grenache, Mourvèdre, Cinsaut, Muscardin, Vaccarèse, Counoise, and Terret Noir. The white grape varieties are Roussanne, Picpoul, Clairette, Bourboulenc, and Picardan. Each of these grape varieties contributes distinct characteristics to the complex and esteemed Châteauneuf-du-Pape wines, celebrated for their diversity and quality.