Arun Temple (Wat Arun) is a Buddhist temple on the bank of the Chao Phraya River, across from Wat Pho, and is reached by boat bus. Its central tower stands 70 meters tall and is decorated with shell and ceramic pieces. On entry, a stamp is placed on the back of the hand and free drinking water is handed out. A visit takes about 30 minutes to an hour, and there is not much to see inside the temple.