Some of the tubs are sunken concrete affairs, big enough for two people.
We heard that there was a communal option where you could bathe for free, but on our visit the locals insisted there was no such thing. No worries in any case — one of the owners ran the tap for us to test the water, and it wasn't hot, it was luke warm. Maybe they needed to run the take longer.
How to get there
To get here, take Dien Bien Phu and take a left at the prison, and the road winds 4km on to the village. You can't miss it.