Biking to Udong is a day trip to countryside of Phnom Penh. Its about 40 km away from Phnom Penh is the ancient city of Udong, which was Cambodia’s capital from 1618 to 1866. The remains consist of several shrines and stupas in various stages of preservation. On weekdays the site may be secluded, but in the weekends may be occupied by visitors, particularly wedding parties. Biking PhnomPenh