6 day pass in Pamps is 276 lev about £110 or 49 lev for a day pass. As Monty said, better to go through the tour operator. If you have kids, children under 7 with an adult are free.
Chepalare is 15 kms from Pamporovo and is fantastic to ski especially for intermediates. Some really good reds and blacks - and a long winding blue for beginners. Best to go with someone who knows the mountain as it's easy to get lost. Get there by taxi but negotiate a price you are happy with first. Just 1 double chairlift to the top but never any queues.
Hi San,
Friend of mine lives in Chepelare and is a ski instructor in Pamps. You can email him on [email protected] His name is Chris and he will give you the ski conditions in Chepelare and can probably arrange to get you there and back for the day. He can also give you a full update on ski conditions in Pamps at the moment. He writes and speaks fluent english.