Vieng Phoukha offers some of the most spectacular trekking in Luang NamTha Provincebut There aren't meny tourists in the town most of the time there isn't enyone so , if you are coming to trekk don't rely on other people, most chances that you will be the only western in town.
tour agencies:
Vieng Phoukha ecoguide Service
Located on rte 3 in the villlage center you can't miss it
Tourism information and trekking guide service center
 located 300 m' from rte 3