We went to Dazu over the CNY Spring festival to visit the carvings. In fact it is 2 sites one in Beishan and the other in Baoding. You can buy a combined ticket for both sites for rmb120 or rmb90 for Baoding and rmb70 for Beishan. No discount for kids.
We went to Baoding and as expected it was busy and a little congested with visitors and tour groups. However do not miss this one.
This is a real must do and one of the best attraction we had visited. The carvings are absolutely spectaculiar and should not be missed if you intend visiting Chongqing.