Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Matsuyama (69% of total searches to Ehime Prefecture). The next most popular destinations are Imabari (28%) and Matsuno (1%). Searches for hotels in Yawatahama (1%) are also popular.
KAYAK users have found double rooms in Ehime Prefecture for as cheap as £18 (Matsuyama) in the last 3 days. The average price is £108.