Just got back and stayed in the Rila directly in front of green the slope and drag lift and there WAS night skiing...but you do need to buy something (not sure if it is a lift pass or what). My daughter went down and they said she couldn't get her ski's out though - and they told her she had to pay anyway. We were all too knackered by the evening though and stuck to the
mr p..
next to the gates for the chair lift just past the ice angels hotel..theres a little office on the left to buy your ticket..but you have to buy it before the night skiing starts because strangely the office closes while that piste is open...its did in march anyway.