Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Utsunomiya (33% of total searches to Tochigi Prefecture). The next most popular destinations are Nikkō (33%) and Oyama (33%).
KAYAK users have found double rooms in Tochigi Prefecture for as cheap as $29 (Nikkō) in the last 3 days. The average price is $447.