Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Cortina d'Ampezzo (53% of total searches to Trentino Montagna). The next most popular destinations are Bolzano (22%) and Ortisei (16%). Searches for hotels in Riva del Garda (9%) are also popular.
KAYAK users have found double rooms in Trentino Montagna for as cheap as $69 (Poschiavo) in the last 3 days. The average price is $483.