Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Shimonoseki (50% of total searches to Yamaguchi Prefecture). The next most popular destinations are Ube (17%) and Iwakuni (17%). Searches for hotels in Yamaguchi (17%) are also popular.
KAYAK users have found double rooms in Yamaguchi Prefecture for as cheap as C$ 141 (Ube) in the last 3 days. The average price is C$ 193.