Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Lanarce (59% of total searches to Ardèche). The next most popular destinations are Vallon-Pont-d'Arc (33%) and Tournon-sur-Rhône (5%). Searches for hotels in Charmes-sur-Rhône (3%) are also popular.
KAYAK users have found double rooms in Ardèche for as cheap as $31 (Bourg-Saint-Andéol) in the last 3 days. The average price is $164.