The tickets should be bought in advance at the office next to the Rex Cinema. The 300km journey takes approximately 9 hours, from 5 a.m., thanks to inexplicable delays at the border. Otherwise the crossing is as simple as it could be, providing you have the visa for the overland exit of Vietnam. The countryside is very desolate and parched fields might remind one Rajastan at this time of the year. Bustling boulevards of P.P. contrast with its unkept and rather poor side neighbourhoods.
Next door is cheaper Happy guest house.
Some others for ex. Prep Sar Hotel on 240th str. Numerous markets throughout the city, The best and easiest accessible map is in the daily Phnom Penh Post. Real eye openers are visits to the old interogation museum Tuol Sleng and the sites of the Killing Fields, mass graves just south of the city from the notorious Khmer Rouge times of late 1970's. Car or bike should be rented to visit the graves, about 15km.