This is the highest peak in Thailand, and the national park that surrounds it is filled with some of the many the natural wonders that make the country such a draw in the first place. You can do some trekking and hike the mountain, or take a more leisurely route around the park. Several waterfalls and a hill tribe village are other draws, along with two pagodas built to honor King Bhumibol Adulyadej and Queen Sirikit. You'll want to either hire a driver for the day or rent a motorbike and see the sites on your own, as you won't be able to make your way through the entire park on foot. But it's only about a two-hour drive from the city, so if you leave early, you can get in a full and satisfying day on the mountain.