Summer is a fine time to escape the heat and retreat to climate-controlled casinos, which are luring players with all sorts of promotions. Other prizes include Kawasaki dirt bikes, Yamaha WaveRunners and shopping sprees at Bass Pro Shops. About 40 miles north of San Francisco in Rohnert Park, Graton Resort & Casino is hosting its Reach for Riches Giveaway, drawings in which the top prize is $25,000. On Sunday, July 10, Graton hosts a slot tournament with $15,000 worth in prizes; the top prize is $5,000. The tournament is open to premier, platinum and elite members of Graton’s rewards program. The top winner, by random drawing each day, gets the Jeep, while others get cash prizes ranging from $1,000 to $2,500. Another Cache Creek promo is called Comeback Mondays, which runs through Oct.