There are excursions, departure around 7 am and there are as many as 4 stopping points such as elephant farm + big buddha + some kind of rafting + for example stologmites or mountain bezyan.
2 days, not enough. Look at the Big Buddha, visit Promtep Cape, Chalong Temple. Download trip advisor... but you can pick up the sights to your liking.
but you can pick up the sights to your liking.