Huanglong:If it rain continuously and iced up the wooden step,it will be very slippery,there is a possibility the place will be temporarily closed until weather permit.
Bring along a hot water vacuum flask to quent your thirst at the cold enviroment.
The air at the high altitute is very thin and be awared of high altitute sickness.Also carry along a oxygen cannister for breathing difficulties encountered and woolen glove to protect from extreme cold. weather
(Hung chin thien) a enegy tonic,available in glass ampule is suggested to be carried along to relieve the high altitute sickness(available at the mini market during stop over.)
Otherwise the place is extremely beautiful and the scenery is fantastic,a very worthwhile visit.