Hi, I'm intending to go from Beijing city to Mutianyu either on 15/12 or 16/12. I read conflicting information about the transport - will 936 go directly to Mutianyu on those dates? If so, do they only depart at 7am or 8am from Dongzhimen?

And how do I get back to Beijing? I read from wikitravel that there is a 5.30 bus departure from Mutianyu that 'unofficially departs' at 4.00, but doesn't really stick to those times. Any advice? Wouldn't like to be caught our there overnight in winter or snow; even though it looks beautiful.

Thanks!