Phnom Penh Hop On Hop Off runs Killing Fields & Prison S21 Tour by tour bus all year around. There are 2 trips per day: morning & afternoon. This tour will take you to 2 important sites in Phnom Penh: Prison S21 and Cheoung Ek Killing Fields under the Khmer Rouge Regime between 1976-1979. The tour will start with hotel pick up (selected hotels in Riverside, Royal Palace and BKK area); the bus will take you to Prison S21 for 1 hour and 15 min visit; then the bus will drive 30 minutes to the Killing Fields which is located outside of Phnom Penh, you will have 1 hour and 15 min visit time there. Then the tour will finish by taking you back to your hotel. Tour price INCLUDING: hotel pickup/drop off, air con bus transportation, English speaking tour coordinator, audio and video on board on the way to the sites, WiFi, drinking water. Tour price EXCLUDING: entry fees (total U$8), audio guides on sites(total $6, optional), in-house guide ($2, optional) THIS IS NOT A GUIDED TOUR