Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Gramado (50% of total searches to Serra Gaucha). The next most popular destinations are Caxias do Sul (17%) and Bento Gonçalves (17%). Searches for hotels in Novo Hamburgo (17%) are also popular.
KAYAK users have found double rooms in Serra Gaucha for as cheap as £10 (Canela) in the last 3 days. The average price is £41.